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MathsHardMCQ2021 · 27 Aug Shift 2

Q74.The value of the integral ∫10 (1+x)(1+3x)(3+x)√xdx is: (1) π 4 (1 −√32 ) (2) π8 (1 −√36 ) (3) π 8 (1 −√32 ) (4) π4 (1 −√36 )

What This Question Tests

This problem involves a complex definite integral that requires a suitable substitution (e.g., √x = t or x = t²) to simplify the integrand and then evaluate the resulting integral.

Concepts Tested

Substitution method in integrationProperties of definite integralsReduction of complex integrals

Formulas Used

∫ f(u) du

Substitution x = u² or x = tan²θ

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