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Find second derivative of the function $y=x^2\tan(x)$

A

$2 x \tan (x)+ x^2 sec^2(x)$

B

$2\tan(x)+\sec^2(x)(2x+x^2\tan(x))$

C

$2\tan(x)+\sec^2(x)(4x+x^2\tan(x))$

D

$(x^2 \tan(x))'=2x \tan (x)+ x^2 sec^2(x)$

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