TPf(x,y)
.pdfɁɚɞɚɧɢɹ ɞɥɹ ɫɬɭɞɟɧɬɨɜ
1.ɇɚɣɬɢ ɢ ɩɨɫɬɪɨɢɬɶ ɨɛɥɚɫɬɶ ɨɩɪɟɞɟɥɟɧɢɹ ɫɥɨɠɧɨɣ
ɮɭɧɤɰɢɢ.
2.ȼɵɱɢɫɥɢɬɶ ɩɪɨɢɡɜɨɞɧɭɸ ɫɥɨɠɧɨɣ ɮɭɧɤɰɢɢ.
3.Ⱦɥɹ ɧɟɹɜɧɨ ɡɚɞɚɧɧɨɣ ɮɭɧɤɰɢɢ ɡɚɩɢɫɚɬɶ ɦɧɨɝɨɱɥɟɧ Ɍɟɣɥɨɪɚ 2 ɩɨɪɹɞɤɚ ɩɨ ɫɬɟɩɟɧɹɦ (x-x0); (y-y0).
4. ɇɚɣɬɢ ɩɪɨɢɡɜɨɞɧɭɸ ɮɭɧɤɰɢɢ u(x, y,z) ɜ ɬɨɱɤɟ 0 ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɧɟɲɧɟɣ ɧɨɪɦɚɥɢ n ɤ ɩɨɜɟɪɯɧɨɫɬɢ S, ɡɚɞɚɧɧɨɣ
ɭɪɚɜɧɟɧɢɟɦ S (x, y, z)=0 ɢɥɢ ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɟɤɬɨɪɚ e .
5. ɇɚɣɬɢ ɭɝɨɥ ɦɟɠɞɭ ɝɪɚɞɢɟɧɬɚɦɢ ɮɭɧɤɰɢɣ u(x,y,z) ɢ v(x, y,z)ɜ ɬɨɱɤɟ 0.
6.ɇɚɣɞɢɬɟ ɭɪɚɜɧɟɧɢɹ ɤɚɫɚɬɟɥɶɧɨɣ ɩɥɨɫɤɨɫɬɢ ɢ ɧɨɪɦɚɥɢ
ɤɭɤɚɡɚɧɧɨɣ ɩɨɜɟɪɯɧɨɫɬɢ ɜ ɞɚɧɧɨɣ ɧɚ ɧɟɣ ɬɨɱɤɟ.
7ɚ. ɂɫɩɨɥɶɡɭɹ ɦɟɬɨɞ ɧɟɨɩɪɟɞɟɥɺɧɧɵɯ ɦɧɨɠɢɬɟɥɟɣ Ʌɚɝɪɚɧɠɚ, ɢɫɫɥɟɞɨɜɚɬɶ ɡɚɞɚɧɧɭɸ ɮɭɧɤɰɢɸ ɧɚ ɭɫɥɨɜɧɵɣ
ɷɤɫɬɪɟɦɭɦ ɩɪɢ ɭɫɥɨɜɢɢ (x, y)=0.
7ɛ. ɇɚɣɬɢ ɧɚɢɛɨɥɶɲɟɟ ɢ ɧɚɢɦɟɧɶɲɟɟ ɡɧɚɱɟɧɢɟ ɮɭɧɤɰɢɢ z=f(x, y) ɜ ɨɛɥɚɫɬɢ D.
1 ɜɚɪ ɚ ɬ.
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M0(1;2;2). 7ɚ)
x + y +1=0. 7ɛ)
z x2 2xy y2 4x 1; D:{ x + y +1 0; y 0; x -3}.
Ɂɚɞɚɧɢɹ ɞɥɹ ɫɬɭɞɟɧɬɨɜ
1.ɇɚɣɬɢ ɢ ɩɨɫɬɪɨɢɬɶ ɨɛɥɚɫɬɶ ɨɩɪɟɞɟɥɟɧɢɹ ɫɥɨɠɧɨɣ
ɮɭɧɤɰɢɢ.
2.ȼɵɱɢɫɥɢɬɶ ɩɪɨɢɡɜɨɞɧɭɸ ɫɥɨɠɧɨɣ ɮɭɧɤɰɢɢ.
3.Ⱦɥɹ ɧɟɹɜɧɨ ɡɚɞɚɧɧɨɣ ɮɭɧɤɰɢɢ ɡɚɩɢɫɚɬɶ ɦɧɨɝɨɱɥɟɧ Ɍɟɣɥɨɪɚ 2 ɩɨɪɹɞɤɚ ɩɨ ɫɬɟɩɟɧɹɦ (x-x0); (y-y0).
4. ɇɚɣɬɢ ɩɪɨɢɡɜɨɞɧɭɸ ɮɭɧɤɰɢɢ u(x, y,z) ɜ ɬɨɱɤɟ 0 ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɧɟɲɧɟɣ ɧɨɪɦɚɥɢ n ɤ ɩɨɜɟɪɯɧɨɫɬɢ S, ɡɚɞɚɧɧɨɣ
ɭɪɚɜɧɟɧɢɟɦ S (x, y, z)=0 ɢɥɢ ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɟɤɬɨɪɚ e .
5. ɇɚɣɬɢ ɭɝɨɥ ɦɟɠɞɭ ɝɪɚɞɢɟɧɬɚɦɢ ɮɭɧɤɰɢɣ u(x,y,z) ɢ v(x, y,z)ɜ ɬɨɱɤɟ 0.
6.ɇɚɣɞɢɬɟ ɭɪɚɜɧɟɧɢɹ ɤɚɫɚɬɟɥɶɧɨɣ ɩɥɨɫɤɨɫɬɢ ɢ ɧɨɪɦɚɥɢ
ɤɭɤɚɡɚɧɧɨɣ ɩɨɜɟɪɯɧɨɫɬɢ ɜ ɞɚɧɧɨɣ ɧɚ ɧɟɣ ɬɨɱɤɟ.
7ɚ. ɂɫɩɨɥɶɡɭɹ ɦɟɬɨɞ ɧɟɨɩɪɟɞɟɥɺɧɧɵɯ ɦɧɨɠɢɬɟɥɟɣ Ʌɚɝɪɚɧɠɚ, ɢɫɫɥɟɞɨɜɚɬɶ ɡɚɞɚɧɧɭɸ ɮɭɧɤɰɢɸ ɧɚ ɭɫɥɨɜɧɵɣ
ɷɤɫɬɪɟɦɭɦ ɩɪɢ ɭɫɥɨɜɢɢ (x, y)=0.
7ɛ. ɇɚɣɬɢ ɧɚɢɛɨɥɶɲɟɟ ɢ ɧɚɢɦɟɧɶɲɟɟ ɡɧɚɱɟɧɢɟ ɮɭɧɤɰɢɢ z=f(x, y) ɜ ɨɛɥɚɫɬɢ D.
2 ɜɚɪ ɚ ɬ.
1) z ln x2 y2 1
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2)z tgu 1 ; ɝɞɟ v
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3) |
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M0(1;2;0) |
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4) |
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S:4z 2x2 y2 |
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M0(2;1;2). 7ɚ)
x + y -1=0. 7ɛ)
z4x2 9y2 4x
6y 3;
D:{ x 0; y 0; x+y 1}.
Ɂɚɞɚɧɢɹ ɞɥɹ ɫɬɭɞɟɧɬɨɜ
1.ɇɚɣɬɢ ɢ ɩɨɫɬɪɨɢɬɶ ɨɛɥɚɫɬɶ ɨɩɪɟɞɟɥɟɧɢɹ ɫɥɨɠɧɨɣ
ɮɭɧɤɰɢɢ.
2.ȼɵɱɢɫɥɢɬɶ ɩɪɨɢɡɜɨɞɧɭɸ ɫɥɨɠɧɨɣ ɮɭɧɤɰɢɢ.
3.Ⱦɥɹ ɧɟɹɜɧɨ ɡɚɞɚɧɧɨɣ ɮɭɧɤɰɢɢ ɡɚɩɢɫɚɬɶ ɦɧɨɝɨɱɥɟɧ Ɍɟɣɥɨɪɚ 2 ɩɨɪɹɞɤɚ ɩɨ ɫɬɟɩɟɧɹɦ (x-x0); (y-y0).
4. ɇɚɣɬɢ ɩɪɨɢɡɜɨɞɧɭɸ ɮɭɧɤɰɢɢ u(x, y,z) ɜ ɬɨɱɤɟ 0 ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɧɟɲɧɟɣ ɧɨɪɦɚɥɢ n ɤ ɩɨɜɟɪɯɧɨɫɬɢ S, ɡɚɞɚɧɧɨɣ
ɭɪɚɜɧɟɧɢɟɦ S (x, y, z)=0 ɢɥɢ ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɟɤɬɨɪɚ e .
5. ɇɚɣɬɢ ɭɝɨɥ ɦɟɠɞɭ ɝɪɚɞɢɟɧɬɚɦɢ ɮɭɧɤɰɢɣ u(x,y,z) ɢ v(x, y,z)ɜ ɬɨɱɤɟ 0.
6.ɇɚɣɞɢɬɟ ɭɪɚɜɧɟɧɢɹ ɤɚɫɚɬɟɥɶɧɨɣ ɩɥɨɫɤɨɫɬɢ ɢ ɧɨɪɦɚɥɢ
ɤɭɤɚɡɚɧɧɨɣ ɩɨɜɟɪɯɧɨɫɬɢ ɜ ɞɚɧɧɨɣ ɧɚ ɧɟɣ ɬɨɱɤɟ.
7ɚ. ɂɫɩɨɥɶɡɭɹ ɦɟɬɨɞ ɧɟɨɩɪɟɞɟɥɺɧɧɵɯ ɦɧɨɠɢɬɟɥɟɣ Ʌɚɝɪɚɧɠɚ, ɢɫɫɥɟɞɨɜɚɬɶ ɡɚɞɚɧɧɭɸ ɮɭɧɤɰɢɸ ɧɚ ɭɫɥɨɜɧɵɣ
ɷɤɫɬɪɟɦɭɦ ɩɪɢ ɭɫɥɨɜɢɢ (x, y)=0.
7ɛ. ɇɚɣɬɢ ɧɚɢɛɨɥɶɲɟɟ ɢ ɧɚɢɦɟɧɶɲɟɟ ɡɧɚɱɟɧɢɟ ɮɭɧɤɰɢɢ z=f(x, y) ɜ ɨɛɥɚɫɬɢ D.
3 ɜɚɪ ɚ ɬ.
1) z arccos |
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3) |
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3xyz ; |
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M0(1;1;1) |
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4) u |
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M0(1;1;1); |
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5) v |
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6) x2+2y2-3z2+xy+yz- |
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-2xz+16=0 |
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M0(1;2;3). |
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7ɚ) |
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x + y-1=0. |
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7ɛ) |
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y2 4;
D:{ x -1; y -1; x+y 1}.
Ɂɚɞɚɧɢɹ ɞɥɹ ɫɬɭɞɟɧɬɨɜ
1.ɇɚɣɬɢ ɢ ɩɨɫɬɪɨɢɬɶ ɨɛɥɚɫɬɶ ɨɩɪɟɞɟɥɟɧɢɹ ɫɥɨɠɧɨɣ
ɮɭɧɤɰɢɢ.
2.ȼɵɱɢɫɥɢɬɶ ɩɪɨɢɡɜɨɞɧɭɸ ɫɥɨɠɧɨɣ ɮɭɧɤɰɢɢ.
3.Ⱦɥɹ ɧɟɹɜɧɨ ɡɚɞɚɧɧɨɣ ɮɭɧɤɰɢɢ ɡɚɩɢɫɚɬɶ ɦɧɨɝɨɱɥɟɧ Ɍɟɣɥɨɪɚ 2 ɩɨɪɹɞɤɚ ɩɨ ɫɬɟɩɟɧɹɦ (x-x0); (y-y0).
4. ɇɚɣɬɢ ɩɪɨɢɡɜɨɞɧɭɸ ɮɭɧɤɰɢɢ u(x, y,z) ɜ ɬɨɱɤɟ 0 ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɧɟɲɧɟɣ ɧɨɪɦɚɥɢ n ɤ ɩɨɜɟɪɯɧɨɫɬɢ S, ɡɚɞɚɧɧɨɣ
ɭɪɚɜɧɟɧɢɟɦ S (x, y, z)=0 ɢɥɢ ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɟɤɬɨɪɚ e .
5. ɇɚɣɬɢ ɭɝɨɥ ɦɟɠɞɭ ɝɪɚɞɢɟɧɬɚɦɢ ɮɭɧɤɰɢɣ u(x,y,z) ɢ v(x, y,z)ɜ ɬɨɱɤɟ 0.
6.ɇɚɣɞɢɬɟ ɭɪɚɜɧɟɧɢɹ ɤɚɫɚɬɟɥɶɧɨɣ ɩɥɨɫɤɨɫɬɢ ɢ ɧɨɪɦɚɥɢ
ɤɭɤɚɡɚɧɧɨɣ ɩɨɜɟɪɯɧɨɫɬɢ ɜ ɞɚɧɧɨɣ ɧɚ ɧɟɣ ɬɨɱɤɟ.
7ɚ. ɂɫɩɨɥɶɡɭɹ ɦɟɬɨɞ ɧɟɨɩɪɟɞɟɥɺɧɧɵɯ ɦɧɨɠɢɬɟɥɟɣ Ʌɚɝɪɚɧɠɚ, ɢɫɫɥɟɞɨɜɚɬɶ ɡɚɞɚɧɧɭɸ ɮɭɧɤɰɢɸ ɧɚ ɭɫɥɨɜɧɵɣ
ɷɤɫɬɪɟɦɭɦ ɩɪɢ ɭɫɥɨɜɢɢ (x, y)=0.
7ɛ. ɇɚɣɬɢ ɧɚɢɛɨɥɶɲɟɟ ɢ ɧɚɢɦɟɧɶɲɟɟ ɡɧɚɱɟɧɢɟ ɮɭɧɤɰɢɢ z=f(x, y) ɜ ɨɛɥɚɫɬɢ D.
4 ɜɚɪ ɚ ɬ.
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7ɚ) |
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7ɛ) z |
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D:{ y 4- x2 ; y 0}.
Ɂɚɞɚɧɢɹ ɞɥɹ ɫɬɭɞɟɧɬɨɜ
1.ɇɚɣɬɢ ɢ ɩɨɫɬɪɨɢɬɶ ɨɛɥɚɫɬɶ ɨɩɪɟɞɟɥɟɧɢɹ ɫɥɨɠɧɨɣ
ɮɭɧɤɰɢɢ.
2.ȼɵɱɢɫɥɢɬɶ ɩɪɨɢɡɜɨɞɧɭɸ ɫɥɨɠɧɨɣ ɮɭɧɤɰɢɢ.
3.Ⱦɥɹ ɧɟɹɜɧɨ ɡɚɞɚɧɧɨɣ ɮɭɧɤɰɢɢ ɡɚɩɢɫɚɬɶ ɦɧɨɝɨɱɥɟɧ Ɍɟɣɥɨɪɚ 2 ɩɨɪɹɞɤɚ ɩɨ ɫɬɟɩɟɧɹɦ (x-x0); (y-y0).
4. ɇɚɣɬɢ ɩɪɨɢɡɜɨɞɧɭɸ ɮɭɧɤɰɢɢ u(x, y,z) ɜ ɬɨɱɤɟ 0 ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɧɟɲɧɟɣ ɧɨɪɦɚɥɢ n ɤ ɩɨɜɟɪɯɧɨɫɬɢ S, ɡɚɞɚɧɧɨɣ
ɭɪɚɜɧɟɧɢɟɦ S (x, y, z)=0 ɢɥɢ ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɟɤɬɨɪɚ e .
5. ɇɚɣɬɢ ɭɝɨɥ ɦɟɠɞɭ ɝɪɚɞɢɟɧɬɚɦɢ ɮɭɧɤɰɢɣ u(x,y,z) ɢ v(x, y,z)ɜ ɬɨɱɤɟ 0.
6.ɇɚɣɞɢɬɟ ɭɪɚɜɧɟɧɢɹ ɤɚɫɚɬɟɥɶɧɨɣ ɩɥɨɫɤɨɫɬɢ ɢ ɧɨɪɦɚɥɢ
ɤɭɤɚɡɚɧɧɨɣ ɩɨɜɟɪɯɧɨɫɬɢ ɜ ɞɚɧɧɨɣ ɧɚ ɧɟɣ ɬɨɱɤɟ.
7ɚ. ɂɫɩɨɥɶɡɭɹ ɦɟɬɨɞ ɧɟɨɩɪɟɞɟɥɺɧɧɵɯ ɦɧɨɠɢɬɟɥɟɣ Ʌɚɝɪɚɧɠɚ, ɢɫɫɥɟɞɨɜɚɬɶ ɡɚɞɚɧɧɭɸ ɮɭɧɤɰɢɸ ɧɚ ɭɫɥɨɜɧɵɣ
ɷɤɫɬɪɟɦɭɦ ɩɪɢ ɭɫɥɨɜɢɢ (x, y)=0.
7ɛ. ɇɚɣɬɢ ɧɚɢɛɨɥɶɲɟɟ ɢ ɧɚɢɦɟɧɶɲɟɟ ɡɧɚɱɟɧɢɟ ɮɭɧɤɰɢɢ z=f(x, y) ɜ ɨɛɥɚɫɬɢ D.
5 ɜɚɪ ɚ ɬ.
1) z 1 x2 1 y2 .
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7ɚ) |
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Ɂɚɞɚɧɢɹ ɞɥɹ ɫɬɭɞɟɧɬɨɜ
1.ɇɚɣɬɢ ɢ ɩɨɫɬɪɨɢɬɶ ɨɛɥɚɫɬɶ ɨɩɪɟɞɟɥɟɧɢɹ ɫɥɨɠɧɨɣ
ɮɭɧɤɰɢɢ.
2.ȼɵɱɢɫɥɢɬɶ ɩɪɨɢɡɜɨɞɧɭɸ ɫɥɨɠɧɨɣ ɮɭɧɤɰɢɢ.
3.Ⱦɥɹ ɧɟɹɜɧɨ ɡɚɞɚɧɧɨɣ ɮɭɧɤɰɢɢ ɡɚɩɢɫɚɬɶ ɦɧɨɝɨɱɥɟɧ Ɍɟɣɥɨɪɚ 2 ɩɨɪɹɞɤɚ ɩɨ ɫɬɟɩɟɧɹɦ (x-x0); (y-y0).
4. ɇɚɣɬɢ ɩɪɨɢɡɜɨɞɧɭɸ ɮɭɧɤɰɢɢ u(x, y,z) ɜ ɬɨɱɤɟ 0 ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɧɟɲɧɟɣ ɧɨɪɦɚɥɢ n ɤ ɩɨɜɟɪɯɧɨɫɬɢ S, ɡɚɞɚɧɧɨɣ
ɭɪɚɜɧɟɧɢɟɦ S (x, y, z)=0 ɢɥɢ ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɟɤɬɨɪɚ e .
5. ɇɚɣɬɢ ɭɝɨɥ ɦɟɠɞɭ ɝɪɚɞɢɟɧɬɚɦɢ ɮɭɧɤɰɢɣ u(x,y,z) ɢ v(x, y,z)ɜ ɬɨɱɤɟ 0.
6.ɇɚɣɞɢɬɟ ɭɪɚɜɧɟɧɢɹ ɤɚɫɚɬɟɥɶɧɨɣ ɩɥɨɫɤɨɫɬɢ ɢ ɧɨɪɦɚɥɢ
ɤɭɤɚɡɚɧɧɨɣ ɩɨɜɟɪɯɧɨɫɬɢ ɜ ɞɚɧɧɨɣ ɧɚ ɧɟɣ ɬɨɱɤɟ.
7ɚ. ɂɫɩɨɥɶɡɭɹ ɦɟɬɨɞ ɧɟɨɩɪɟɞɟɥɺɧɧɵɯ ɦɧɨɠɢɬɟɥɟɣ Ʌɚɝɪɚɧɠɚ, ɢɫɫɥɟɞɨɜɚɬɶ ɡɚɞɚɧɧɭɸ ɮɭɧɤɰɢɸ ɧɚ ɭɫɥɨɜɧɵɣ
ɷɤɫɬɪɟɦɭɦ ɩɪɢ ɭɫɥɨɜɢɢ (x, y)=0.
7ɛ. ɇɚɣɬɢ ɧɚɢɛɨɥɶɲɟɟ ɢ ɧɚɢɦɟɧɶɲɟɟ ɡɧɚɱɟɧɢɟ ɮɭɧɤɰɢɢ z=f(x, y) ɜ ɨɛɥɚɫɬɢ D.
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3(x2 y2 z2 ) 2(xy
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z y2 2xy x2 4y; D:{x 3; y 0; y x+1}.
Ɂɚɞɚɧɢɹ ɞɥɹ ɫɬɭɞɟɧɬɨɜ
1.ɇɚɣɬɢ ɢ ɩɨɫɬɪɨɢɬɶ ɨɛɥɚɫɬɶ ɨɩɪɟɞɟɥɟɧɢɹ ɫɥɨɠɧɨɣ
ɮɭɧɤɰɢɢ.
2.ȼɵɱɢɫɥɢɬɶ ɩɪɨɢɡɜɨɞɧɭɸ ɫɥɨɠɧɨɣ ɮɭɧɤɰɢɢ.
3.Ⱦɥɹ ɧɟɹɜɧɨ ɡɚɞɚɧɧɨɣ ɮɭɧɤɰɢɢ ɡɚɩɢɫɚɬɶ ɦɧɨɝɨɱɥɟɧ Ɍɟɣɥɨɪɚ 2 ɩɨɪɹɞɤɚ ɩɨ ɫɬɟɩɟɧɹɦ (x-x0); (y-y0).
4. ɇɚɣɬɢ ɩɪɨɢɡɜɨɞɧɭɸ ɮɭɧɤɰɢɢ u(x, y,z) ɜ ɬɨɱɤɟ 0 ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɧɟɲɧɟɣ ɧɨɪɦɚɥɢ n ɤ ɩɨɜɟɪɯɧɨɫɬɢ S, ɡɚɞɚɧɧɨɣ
ɭɪɚɜɧɟɧɢɟɦ S (x, y, z)=0 ɢɥɢ ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɟɤɬɨɪɚ e .
5. ɇɚɣɬɢ ɭɝɨɥ ɦɟɠɞɭ ɝɪɚɞɢɟɧɬɚɦɢ ɮɭɧɤɰɢɣ u(x,y,z) ɢ v(x, y,z)ɜ ɬɨɱɤɟ 0.
6.ɇɚɣɞɢɬɟ ɭɪɚɜɧɟɧɢɹ ɤɚɫɚɬɟɥɶɧɨɣ ɩɥɨɫɤɨɫɬɢ ɢ ɧɨɪɦɚɥɢ
ɤɭɤɚɡɚɧɧɨɣ ɩɨɜɟɪɯɧɨɫɬɢ ɜ ɞɚɧɧɨɣ ɧɚ ɧɟɣ ɬɨɱɤɟ.
7ɚ. ɂɫɩɨɥɶɡɭɹ ɦɟɬɨɞ ɧɟɨɩɪɟɞɟɥɺɧɧɵɯ ɦɧɨɠɢɬɟɥɟɣ Ʌɚɝɪɚɧɠɚ, ɢɫɫɥɟɞɨɜɚɬɶ ɡɚɞɚɧɧɭɸ ɮɭɧɤɰɢɸ ɧɚ ɭɫɥɨɜɧɵɣ
ɷɤɫɬɪɟɦɭɦ ɩɪɢ ɭɫɥɨɜɢɢ (x, y)=0.
7ɛ. ɇɚɣɬɢ ɧɚɢɛɨɥɶɲɟɟ ɢ ɧɚɢɦɟɧɶɲɟɟ ɡɧɚɱɟɧɢɟ ɮɭɧɤɰɢɢ z=f(x, y) ɜ ɨɛɥɚɫɬɢ D.
7 ɜɚɪ ɚ ɬ.
1) z ln(x2 y)
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6)z sin y
xz
M0(2; ;1). 7ɚ)
x2 – y = 0. 7ɛ)
z 1 2xy 2x2;
D:{ y x2; y 1}.
Ɂɚɞɚɧɢɹ ɞɥɹ ɫɬɭɞɟɧɬɨɜ
1.ɇɚɣɬɢ ɢ ɩɨɫɬɪɨɢɬɶ ɨɛɥɚɫɬɶ ɨɩɪɟɞɟɥɟɧɢɹ ɫɥɨɠɧɨɣ
ɮɭɧɤɰɢɢ.
2.ȼɵɱɢɫɥɢɬɶ ɩɪɨɢɡɜɨɞɧɭɸ ɫɥɨɠɧɨɣ ɮɭɧɤɰɢɢ.
3.Ⱦɥɹ ɧɟɹɜɧɨ ɡɚɞɚɧɧɨɣ ɮɭɧɤɰɢɢ ɡɚɩɢɫɚɬɶ ɦɧɨɝɨɱɥɟɧ Ɍɟɣɥɨɪɚ 2 ɩɨɪɹɞɤɚ ɩɨ ɫɬɟɩɟɧɹɦ (x-x0); (y-y0).
4. ɇɚɣɬɢ ɩɪɨɢɡɜɨɞɧɭɸ ɮɭɧɤɰɢɢ u(x, y,z) ɜ ɬɨɱɤɟ 0 ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɧɟɲɧɟɣ ɧɨɪɦɚɥɢ n ɤ ɩɨɜɟɪɯɧɨɫɬɢ S, ɡɚɞɚɧɧɨɣ
ɭɪɚɜɧɟɧɢɟɦ S (x, y, z)=0 ɢɥɢ ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɟɤɬɨɪɚ e .
5. ɇɚɣɬɢ ɭɝɨɥ ɦɟɠɞɭ ɝɪɚɞɢɟɧɬɚɦɢ ɮɭɧɤɰɢɣ u(x,y,z) ɢ v(x, y,z)ɜ ɬɨɱɤɟ 0.
6.ɇɚɣɞɢɬɟ ɭɪɚɜɧɟɧɢɹ ɤɚɫɚɬɟɥɶɧɨɣ ɩɥɨɫɤɨɫɬɢ ɢ ɧɨɪɦɚɥɢ
ɤɭɤɚɡɚɧɧɨɣ ɩɨɜɟɪɯɧɨɫɬɢ ɜ ɞɚɧɧɨɣ ɧɚ ɧɟɣ ɬɨɱɤɟ.
7ɚ. ɂɫɩɨɥɶɡɭɹ ɦɟɬɨɞ ɧɟɨɩɪɟɞɟɥɺɧɧɵɯ ɦɧɨɠɢɬɟɥɟɣ Ʌɚɝɪɚɧɠɚ, ɢɫɫɥɟɞɨɜɚɬɶ ɡɚɞɚɧɧɭɸ ɮɭɧɤɰɢɸ ɧɚ ɭɫɥɨɜɧɵɣ
ɷɤɫɬɪɟɦɭɦ ɩɪɢ ɭɫɥɨɜɢɢ (x, y)=0.
7ɛ. ɇɚɣɬɢ ɧɚɢɛɨɥɶɲɟɟ ɢ ɧɚɢɦɟɧɶɲɟɟ ɡɧɚɱɟɧɢɟ ɮɭɧɤɰɢɢ z=f(x, y) ɜ ɨɛɥɚɫɬɢ D.
8 ɜɚɪ ɚ ɬ.
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M0( 4 ; 2 ; 4 ). 7ɚ)
2x + y -2 = 0.
7ɛ)
z 3 2x2 xy y2 ; D:{x 1; y 2; 2x + y 2}.
Ɂɚɞɚɧɢɹ ɞɥɹ ɫɬɭɞɟɧɬɨɜ
1.ɇɚɣɬɢ ɢ ɩɨɫɬɪɨɢɬɶ ɨɛɥɚɫɬɶ ɨɩɪɟɞɟɥɟɧɢɹ ɫɥɨɠɧɨɣ
ɮɭɧɤɰɢɢ.
2.ȼɵɱɢɫɥɢɬɶ ɩɪɨɢɡɜɨɞɧɭɸ ɫɥɨɠɧɨɣ ɮɭɧɤɰɢɢ.
3.Ⱦɥɹ ɧɟɹɜɧɨ ɡɚɞɚɧɧɨɣ ɮɭɧɤɰɢɢ ɡɚɩɢɫɚɬɶ ɦɧɨɝɨɱɥɟɧ Ɍɟɣɥɨɪɚ 2 ɩɨɪɹɞɤɚ ɩɨ ɫɬɟɩɟɧɹɦ (x-x0); (y-y0).
4. ɇɚɣɬɢ ɩɪɨɢɡɜɨɞɧɭɸ ɮɭɧɤɰɢɢ u(x, y,z) ɜ ɬɨɱɤɟ 0 ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɧɟɲɧɟɣ ɧɨɪɦɚɥɢ n ɤ ɩɨɜɟɪɯɧɨɫɬɢ S, ɡɚɞɚɧɧɨɣ
ɭɪɚɜɧɟɧɢɟɦ S (x, y, z)=0 ɢɥɢ ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɟɤɬɨɪɚ e .
5. ɇɚɣɬɢ ɭɝɨɥ ɦɟɠɞɭ ɝɪɚɞɢɟɧɬɚɦɢ ɮɭɧɤɰɢɣ u(x,y,z) ɢ v(x, y,z)ɜ ɬɨɱɤɟ 0.
6.ɇɚɣɞɢɬɟ ɭɪɚɜɧɟɧɢɹ ɤɚɫɚɬɟɥɶɧɨɣ ɩɥɨɫɤɨɫɬɢ ɢ ɧɨɪɦɚɥɢ
ɤɭɤɚɡɚɧɧɨɣ ɩɨɜɟɪɯɧɨɫɬɢ ɜ ɞɚɧɧɨɣ ɧɚ ɧɟɣ ɬɨɱɤɟ.
7ɚ. ɂɫɩɨɥɶɡɭɹ ɦɟɬɨɞ ɧɟɨɩɪɟɞɟɥɺɧɧɵɯ ɦɧɨɠɢɬɟɥɟɣ Ʌɚɝɪɚɧɠɚ, ɢɫɫɥɟɞɨɜɚɬɶ ɡɚɞɚɧɧɭɸ ɮɭɧɤɰɢɸ ɧɚ ɭɫɥɨɜɧɵɣ
ɷɤɫɬɪɟɦɭɦ ɩɪɢ ɭɫɥɨɜɢɢ (x, y)=0.
7ɛ. ɇɚɣɬɢ ɧɚɢɛɨɥɶɲɟɟ ɢ ɧɚɢɦɟɧɶɲɟɟ ɡɧɚɱɟɧɢɟ ɮɭɧɤɰɢɢ z=f(x, y) ɜ ɨɛɥɚɫɬɢ D.
9 ɜɚɪ ɚ ɬ.
1) z 1 (x2 y)
2) z |
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3) |
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4) |
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7ɚ) |
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y2 - x - 1 = 0. |
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7ɛ) z |
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D:{y2 x + 1; x 0}.
Ɂɚɞɚɧɢɹ ɞɥɹ ɫɬɭɞɟɧɬɨɜ
1.ɇɚɣɬɢ ɢ ɩɨɫɬɪɨɢɬɶ ɨɛɥɚɫɬɶ ɨɩɪɟɞɟɥɟɧɢɹ ɫɥɨɠɧɨɣ
ɮɭɧɤɰɢɢ.
2.ȼɵɱɢɫɥɢɬɶ ɩɪɨɢɡɜɨɞɧɭɸ ɫɥɨɠɧɨɣ ɮɭɧɤɰɢɢ.
3.Ⱦɥɹ ɧɟɹɜɧɨ ɡɚɞɚɧɧɨɣ ɮɭɧɤɰɢɢ ɡɚɩɢɫɚɬɶ ɦɧɨɝɨɱɥɟɧ Ɍɟɣɥɨɪɚ 2 ɩɨɪɹɞɤɚ ɩɨ ɫɬɟɩɟɧɹɦ (x-x0); (y-y0).
4. ɇɚɣɬɢ ɩɪɨɢɡɜɨɞɧɭɸ ɮɭɧɤɰɢɢ u(x, y,z) ɜ ɬɨɱɤɟ 0 ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɧɟɲɧɟɣ ɧɨɪɦɚɥɢ n ɤ ɩɨɜɟɪɯɧɨɫɬɢ S, ɡɚɞɚɧɧɨɣ
ɭɪɚɜɧɟɧɢɟɦ S (x, y, z)=0 ɢɥɢ ɩɨ ɧɚɩɪɚɜɥɟɧɢɸ ɜɟɤɬɨɪɚ e .
5. ɇɚɣɬɢ ɭɝɨɥ ɦɟɠɞɭ ɝɪɚɞɢɟɧɬɚɦɢ ɮɭɧɤɰɢɣ u(x,y,z) ɢ v(x, y,z)ɜ ɬɨɱɤɟ 0.
6.ɇɚɣɞɢɬɟ ɭɪɚɜɧɟɧɢɹ ɤɚɫɚɬɟɥɶɧɨɣ ɩɥɨɫɤɨɫɬɢ ɢ ɧɨɪɦɚɥɢ
ɤɭɤɚɡɚɧɧɨɣ ɩɨɜɟɪɯɧɨɫɬɢ ɜ ɞɚɧɧɨɣ ɧɚ ɧɟɣ ɬɨɱɤɟ.
7ɚ. ɂɫɩɨɥɶɡɭɹ ɦɟɬɨɞ ɧɟɨɩɪɟɞɟɥɺɧɧɵɯ ɦɧɨɠɢɬɟɥɟɣ Ʌɚɝɪɚɧɠɚ, ɢɫɫɥɟɞɨɜɚɬɶ ɡɚɞɚɧɧɭɸ ɮɭɧɤɰɢɸ ɧɚ ɭɫɥɨɜɧɵɣ
ɷɤɫɬɪɟɦɭɦ ɩɪɢ ɭɫɥɨɜɢɢ (x, y)=0.
7ɛ. ɇɚɣɬɢ ɧɚɢɛɨɥɶɲɟɟ ɢ ɧɚɢɦɟɧɶɲɟɟ ɡɧɚɱɟɧɢɟ ɮɭɧɤɰɢɢ z=f(x, y) ɜ ɨɛɥɚɫɬɢ D.
10 ɜɚɪ ɚ ɬ.
1) z arcsin y x
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7ɚ) |
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x + y - 1 = 0. |
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7ɛ) |
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