Question

Find : ∫ x² · sin⁻¹(x^(3/2)) dx

Find : ∫ (x² + 1)/((x² + 2)(x² + 4)) dx

Find : ∫ (2 + sin 2x)/(1 + cos 2x) eˣ dx

Evaluate : ∫ from 0 to π/4 1/(sin x + cos x) dx