Question

Evaluate : ∫₀^(π²/4) (sin √x)/√x dx

Find : ∫ x²/((x² + 4)(x² + 9)) dx

Evaluate : ∫₁³ (|x – 1| + |x – 2| + |x – 3|) dx

Evaluate : ∫₀^(π/2) sin 2x tan⁻¹(sin x) dx