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The curves 2x^(2) + 3y^(2) = 1 and cx^(2...

The curves `2x^(2) + 3y^(2) = 1 and cx^(2) + 4y^(2) = 1` cut each other orthogonally then the value of c is:

A

`(1)/(3)`

B

3

C

`(5)/(12)`

D

`(12)/(5)`

Text Solution

Verified by Experts

The correct Answer is:
D
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PREMIERS PUBLISHERS-APPLICATIONS OF DIFFERENTIAL CALCULUS-Problems For Practice (Choose the correct answer)
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  11. The slope of the tangent to the curve y = 3x^(2) + 4 cos x " at " x = ...

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  13. The angle between the curve x^(2) - y^(2) = 8 and (x^(2))/(25) + (y^(2...

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  16. f is a differentiable function defined on an interval I with positive ...

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  17. For what values of x the rate of increase of x^(3) - 2x^(2) + 3x + 8 i...

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  18. The least possible perimeter of a rectangule of area 400 m^(2) is

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  19. The equation of the normal to the curve y = x^(3) " at" (1, 1) is

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