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Black Book Advanced Problems in MathematicsMathematicsContinuity and Differentiability

If y = f(x) and z = g(x) then d^2 y dz^2 equals

Options

  1. Ag'f'' - f'g'' (g')^2
  2. Bg'f'' - f'g'' (g')^3
  3. Cf'g'' - g'f'' (g')^3
  4. DNone of these

Correct answer

B. g'f'' - f'g'' (g')^3

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