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Let f(x) = Degree of (u^(x^2) + u^2 +...

Let `f(x) =` Degree of `(u^(x^2) + u^2 +2u + 3).` Then, at` x=sqrt2, f(x)` is

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Let y= int_(u(x))^(y(x)) f (t) dt, let us define (dy)/(dx) as (dy)/(dx)=v'(x) f^(2) (v(x)) - u' (x) f^(2) (u(x)) and the equation of the tangent at (a,b) and y-b=((dy)/(dx))(a,b) (x-a) . If f(x)=int _(x)^(x^2) t^(2) dt " then" (d)/(dx) f(x) at x = 1 is