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If the curves y^2=6x,9x^2+by^2=16, cut e...

If the curves `y^2=6x,9x^2+by^2=16`, cut each other at right angles then the value of `b` is

A

2

B

4

C

`9//2`

D

none

Text Solution

Verified by Experts

The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-APPLICATIONS OF DIFFERENTIATION-EXERCISE 1B (TANGENT AND NORMAL)
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  8. The length of the tangent of the curve x=acos^3theta,y=asin^3theta(a>0...

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  9. The length of the normal to the curve y=x^2+1 at (1, 2) is

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  10. The length of the normal to the curve y=c cos ((hx)/c) at any point is

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  11. The length of the normal to the curve y^2=x^3/(2a-x) at (a,a) is

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  12. The length of the normal of the curve 2x^2+3xy-2y^2=8 at (2, 3) is

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  13. The length of the normal to the curves x=acos^3theta,y=asin^3theta(agt...

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  14. The length of the normal at pon the curve x=a(t+sint),y=a(1-cost) is

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  19. The length of subtangent to x^2y^2=a^4 at (a,a) is

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  20. The length of subtangent to x^2+xy+y^2=7 at (1, -3) is

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