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If y =int (u(x))^(v(x))f(t) dt, let us d...

If `y =int _(u(x))^(v(x))f(t) dt`, let us define `(dy)/(dx)` in a different manner as `(dy)/(dx) = v'(x) f^(2)(v(x)) - u'(x) f^(2)(u(x))` alnd the equation of the tangent at `(a,b)` as `y -b = (dy/dx)_((a,b)) (x-a)`
If `F(x) = int_(1)^(x)e^(t^(2)//2)(1-t^(2))dt`, then `d/(dx) F(x)` at `x = 1` is

A

0

B

1

C

2

D

-1

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The correct Answer is:
A
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