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MathsMediumNumerical2022 · 28 Jul Shift 1

Q89.If 𝛼√2 + 𝛽√3, where 𝛼, 𝛽 are integers, then 𝛼+ 𝛽 is equal to ∫0 √1 + 𝑥2 + √1 + 𝑥23𝑑𝑥= 56 43 111

What This Question Tests

The question assesses the ability to evaluate a definite integral using an appropriate substitution, transforming the integrand into a simpler form for integration.

Concepts Tested

Definite integrationSubstitution in definite integrals

Formulas Used

∫f(g(x))g'(x)dx = ∫f(u)du

Power Rule for Integration

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