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If the curves (x ^(2))/(a ^(2))+ (y^(2)...

If the curves ` (x ^(2))/(a ^(2))+ (y^(2))/(4)= 1 and y ^(2)= 16x` intersect at right angles, then:

A

`a=pm1`

B

`a= pm sqrt3`

C

` a= pm sqrt3`

D

`a = pm sqrt2`

Text Solution

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The correct Answer is:
D
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