<ol class="i-list"><li><div class="list-item-paragraph">Differentiate $y={{\cos }^{4}}\left( 2{{x}^{2}}+1 \right)-\sin x$ with respect to $x$.</div></li><li><div class="list-item-paragraph">Hence, find $\int{x\sin \left( 2{{x}^{2}}+1 \right){{\cos }^{3}}\left( 2{{x}^{2}}+1 \right)}\text{ d}x$. </div></li></ol>

Differentiate $y={{\cos }^{4}}\left( 2{{x}^{2}}+1 \right)-\sin x$ with respect to $x$.

Hence, find $\displaystyle \int{x\sin \left( 2{{x}^{2}}+1 \right){{\cos }^{3}}\left( 2{{x}^{2}}+1 \right)}\text{ d}x$. 

Techniques of Differentiation

H2 Math

International Baccalaureate Higher Level Mathematics

Techniques of Differentiation

Question c8f27a40