Continuity and DifferentiabilityHard

Question

If y = then equals to -

Options

A.(cos x2.2x)
B.(4x2cosx2 + 2cos x2 + 4x2 sin x2)
C.(4x2cos2x2 + 2cos x2 − 4x2 sin x2)
D.4x2 cos x2 + 2cos x2 − 4x2 sin x2

Solution

-

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