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The equation of tangent to the curve y=i...

The equation of tangent to the curve `y=int_(x^2)^(x^3)(dt)/(1+t^2)` at `x=1` is `sqrt(3)x+1=y` (b) `sqrt(2)y+1=x` `sqrt(3)x+y=1` (d) `sqrt(2)y=x`

A

`sqrt2y+1 = x`

B

`sqrt3x+1= y`

C

`sqrt3x+1+sqrt3=y`

D

None of these

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