IB Maths AA SL AA 5.3 Integration questions

Exam-style questions in the shape of Paper 1 and Paper 2, with full markschemes. Read the markscheme, or type, photograph or draw your answer and get it marked.

Question 1

Paper 2, calculatorMedium6 marks

The curve CC has equation y=f(x)y=f(x) where

f(x)=x2−x−2.f(x)=x^2-x-2.
(a)

Find the xx-coordinates of the points where CC intersects the xx-axis.

[2]
(b)

Consider the region between CC and the xx-axis from x=−2x=-2 to x=3x=3

(i)

Write down an expression, as a sum or difference of definite integrals of ff for the total area of this region. Do not use absolute-value notation.

[2]
(ii)

Hence determine the total area exactly.

[2]

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