Question on: JAMB Mathematics - 1995

Find the area bounded by the curve y = 3x2 - 2x + 1, the ordinates x = 1 and x = 3 and the a-axix
A
24
B
22
C
21
D
20
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Correct Option: B
\(\pi\) = \(\int^{3}_{1}(3x^2 - 2x + 1)\)

dx = [x3 - 3x + x + C]

= 22

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