indefinite-integration

Question: $\int_{{}}^{{}}{2x{{\cos }^{3}}{{x}^{2}}\sin {{x}^{2}}dx=}$



1) $-\frac{1}{4}{{\cos }^{4}}{{x}^{2}}+c$
2) $\frac{1}{4}{{\cos }^{4}}{{x}^{2}}+c$
3) ${{\cos }^{4}}{{x}^{2}}+c$
4) None of these
Solution: Explanation: No Explanation
Integration by substitution

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