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class 12 maths ncert book solution pdf

June 15, 2021

What is the integration of \[ \int {\sqrt {5 – 2x + {x^2}} } dx\] ~~~~~[NCERT Exemp. Q. 17,Page 164 ]

April 19, 2021

Find the simplified form of
${\cos ^{ – 1}}\left( {\frac{3}{5}\cos x + \frac{4}{5}\sin x} \right)$, where $x \in \left[ {\frac{{ – 3\pi }}{4},\frac{\pi }{4}} \right]$.
[NCERT,Exemplar.2.3,Q.13,Page.36]

May 23, 2021