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Integrate

Symbolic integration. Integrate[expr, x] gives the indefinite integral; Integrate[expr, {x, a, b}] gives the definite integral.

$ wo 'Integrate[x, x]'
x^2/2

$ wo 'Integrate[x^2, {x, 0, 1}]'
1/3

$ wo 'Integrate[Sin[x], {x, 0, Pi}]'
2

$ wo 'Integrate[Log[Sin[x]], {x, 0, Pi/2}]'
-1/2*(Pi*Log[2])