If x = at ^2, y =2 at, then d ^2 y d x^2 = ? - Vidyadip

MCQ

If $x = at ^2, y =2 at$, then $\frac{ d ^2 y}{ d x^2}=$ ?

A
$\frac{1}{ at ^3}$
B
$\frac{-1}{2 at ^3}$
C
$\frac{-1}{ at ^2}$
✓
$\frac{1}{ at ^2}$

✓

Answer

Correct option: D.

$\frac{1}{ at ^2}$

$\frac{-1}{2 a t^3}$

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