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The angle between the curves xy=4 and x^...

The angle between the curves `xy=4` and `x^2-y^2=15` at the point (-4, -1) is

A

`60^@`

B

`90^@`

C

`Tan^-1(1//2)`

D

`Tan^-1(5//2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-APPLICATIONS OF DIFFERENTIATION-EXERCISE 1B (TANGENT AND NORMAL)
  1. The angle between the curves y^2=4x and x^2=2y-3 at the point (1, 2) i...

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  2. The angle between the curves y^2=8x,x^2=4y-12 at (2, 4) is

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  3. The angle between the curves xy=4 and x^2-y^2=15 at the point (-4, -1)...

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  4. The angle between the curves y^2=4x+4 and y^2=36(9-x) is

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  5. The angle between curves y^2=4ax,ay=2x^2 is

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  6. The angle between the curves y^2=x,x^2=y at (1, 1) is

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  7. The curves y=3x^2,y^2=2x intersect at origin

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  8. The angle between the curves y^2=4x,x^2=4y at (0, 0) is

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  9. The curves y=x^3, 6y=7-x^2 intersect at (1, 1) at an angle of

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  10. The angle between the curves y=x, y=1//x at (1, 1) is

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  11. The angle between the curves x^2=2y,x^2+y^2=8 at (2, 2) is

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  12. The angle between the curves x^2=4y,x^2+y^2=5 at (-2, 1) is

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  13. The angle between the curves x^2=4y,y^2=4x at (4, 4) is

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  14. The angle between the curves x^2=4y,x^2+y^2=5 at (-2, 1) is

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  15. If theta is the angle between the curves y^2=4ax,ay=2x^2 at (a, 2a), t...

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  16. If theta is the angle between the curves xy=2,y^2=4x at (1, 2), then t...

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  17. Find the angle between the curves xy=2 and x^(2)+4y=0

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  18. The angle between the curves y=sinx and y=cosx is

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  19. The angle between the curves y=sinx and y=cosx is

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  20. If theta is the angle of interaction of the curves y^2=x^3 and y=2x^2-...

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