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Equation of a line which is tangent to b...

Equation of a line which is tangent to both the curve `y=x^(2)+1 and y=-x^(2)` is

A

`y=sqrt2x+(1)/(2)`

B

`y=sqrt2 x-(1)/(2)`

C

`y=-sqrt2x+(1)/(2)`

D

`y-sqrt2x-(1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
A, C
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