IB Maths AA SL AA 5.3 practice question

Paper 1, no calculatorEasy7 marks

The curve $y=x^2-1$ the $x$ -axis and the lines $x=-2$ and $x=2$ bound several regions.

(a)

Write down, without evaluating, an expression in terms of definite integrals for the total area of these regions.

[3]

(b)

Hence determine the exact total area of these regions.

[4]