Question

if x=f(t) and y=g(t), then d^2y/dx^2 is equal to
a) g"(t)/f"(t)
b) g"(t)f'(t) - g'(t)f"(t)/(f'(t))^3
c) g"(t)f'(t) - g'(t)f"(t)/(f'(t))^2
d) none of these​​

Answer 1

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