If y = t(x) be a differentiable function ᵾ x € R, then which of th – McqOptions

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1.	If y = t(x) be a differentiable function ᵾ x € R, then which of the following is always true?
A.	d2y/dx2 – (dy/dx)3 = 0
B.	d2y/dx2 + (dy/dx)3 d2x/dy2 = 0
C.	d2y/dx2 – (dx/dy)3 = 0
D.	d2y/dx2 + (dy/dx)3 = 0
Answer» C.

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