Prafull Kumar Mehta posted an Question
September 06, 2020 • 14:55 pm 30 points
  • IIT JAM
  • Mathematics (MA)

Let f(x)= cos (t xl) + (x n) sin |x| and g(x) = x* for x e r. if h(x) = f(g(x)), then (a) h is not differentiable at x = 0 (b) h (va) =0 (c) h'(x) = 0 has a sol

Let f(x)= COs (T xl) + (X n) sin |x| and g(x) = X* for x e R. If h(x) = f(g(x)), then (A) h is not differentiable at x = 0 (B) h (va) =0 (C) h'(x) = 0 has a solution in (-T, T) (D) there exists x,e (-T, ) such that hộx) = X,

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