Integral examples

∫ (x² + 3x) dx

Antiderivative x³/3 + 3x²/2 + C. Definite from 0 to 2: 8/3 + 6 = 26/3.

∫ sin(x) dx from 0 to π

−cos x from 0 to π = −(−1) − (−1) = 2. Area of one sine hump.

∫ dx/x from 1 to e

ln x from 1 to e = 1.

Typing tips

Write x^2, 3*x or 3x, sin(x), pi, e. Use From/To for definite integrals.

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