Question

`int_a^b f(x)dx` = ______.

Options

• `int_b^a f(x)dx`

• `-int_a^b f(x)dx`

• `-int_b^a f(x)dx`

• `int_b^a f(x)dx`

Answer 1

`int_a^b f(x)dx` = `bb(underline(-int_b^a f(x)dx))`.