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\frac{d}{d x} (\tan \sqrt{4 x + 3}) = ক ত ?

s e c^{2} \sqrt{4 x + 3}

s e c^{2} (4 x + 3)

\frac{2}{\sqrt{4 x + 3}} s e c^{2} \sqrt{4 x + 3}

\frac{1}{\sqrt{4 x + 3}} s e c^{2} (4 x + 3)

ANS : 3

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