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Equation of a line which is tangent t...

Equation of a line which is tangent to both the curve `y=x^2+1\ a n d\ y=x^2` is `y=sqrt(2)x+1/2` (b) `y=sqrt(2)x-1/2` `y=-sqrt(2)x+1/2` (d) `y=-sqrt(2)x-1/2`

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
A, C
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