limh→0sin(x+h)2- sinx2h= কত? - Prothom Sir | প্রথম স্যার

\lim_{h \to 0} \frac{\sin (x + h)^{2} - \sin x^{2}}{h} = ক ত ?

Created: 7 months ago | Updated: 1 week ago

\cos x^{2}

x \cos x^{2}

\cos 2 x

2 x \cos x^{2}

426

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