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A common tangent to x^(2)-2y^(2)=18 and ...

A common tangent to `x^(2)-2y^(2)=18` and `x^(2)+y^(2)=9` is

A

`y=2x+3sqrt(5)`

B

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

C

`y=2x+3sqrt(7)`

D

`y=sqrt(2)x+3sqrt(5)`

Text Solution

Verified by Experts

The correct Answer is:
b
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