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A common tangent to 9x^(2) - 16y^(2) = 1...

A common tangent to `9x^(2) - 16y^(2) = 144` and `x^(2) + y^(2) = 9` is

A

`y sqrt(7) = sqrt(2)x + 15`

B

`ysqrt(7) = 3sqrt(2)x + 15`

C

`y = 3sqrt(2)x + 15`

D

`ysqrt(7) = 3x + 15`

Text Solution

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The correct Answer is:
B
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