For which of the following functions, the substitution \[{{x}^{2}}=t\]is applicable

\[\int_{{}}^{{}}{{{x}^{6}}{{\tan }^{-1}}{{x}^{3}}}\ dx\]

\[\int_{{}}^{{}}{{{\tan }^{-1}}\left( \frac{2x}{1-{{x}^{2}}} \right)\ dx}\]

\[\int_{{}}^{{}}{{{x}^{3}}\cos {{x}^{2}}\ dx}\]

For which of the following functions, the substitution \[{{x}^{2}}=t\]

1.	For which of the following functions, the substitution \[{{x}^{2}}=t\]is applicable
A.	\[\int_{{}}^{{}}{{{x}^{6}}{{\tan }^{-1}}{{x}^{3}}}\ dx\]
B.	\[\int_{{}}^{{}}{{{\tan }^{-1}}\left( \frac{2x}{1-{{x}^{2}}} \right)\ dx}\]
C.	\[\int_{{}}^{{}}{{{x}^{3}}\cos {{x}^{2}}\ dx}\]
D.	None of these
Answer» D. None of these

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For which of the following functions, the substitution \[{{x}^{2}}=t\]is applicable

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