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JEE MATHEMATICS MCQ: INDEFINITE INTEGRATION

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Application +4 | -1
For any natural number mm,
∫(x7m+x2m+xm)(2x6m+7xm+14)1/mdx\int\left(x^{7 m}+x^{2 m}+x^m\right)\left(2 x^{6 m}+7 x^m+14\right)^{1 / m} d x, where x>0x>0 equals
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Correct option: C
(2x7m+7x2m+14xm)m+1m14(m+1)+C\frac{\left(2 x^{7 m}+7 x^{2 m}+14 x^m\right)^{\frac{m+1}{m}}}{14(m+1)}+C
Option C is correct because the integral can be solved by substitution, leading to the expression (2x7m+7x2m+14xm)m+1m14(m+1)+C\frac{\left(2 x^{7 m}+7 x^{2 m}+14 x^m\right)^{\frac{m+1}{m}}}{14(m+1)}+C.

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