diff tan-1[{√(1+x2)-1}/x] wrt tan[-1(2x√(1-x2)/(1-2x2)] at x=0...
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5 Answers
1357first will simplify as tan-1x/2 and second one will be 2sin-1x
62derivate of f(x) wrt g(x)
is given by
derivative of f(x) divided by derivative of g(x)
df(x)/dg(x)
= {df(x)/dx}/{dg(x)/dx}