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

If the curves `y^2=6x`, `9x^2+by^2=16` intersect each other at right angles then the value of b is: (1) 6 (2) `7/2` (3) `4` (4) `9/2`

A

6

B

`(7)/(2)`

C

4

D

`(9)/(2)`

Text Solution

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The correct Answer is:
D
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