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Integrate ∫2-1 (2x2 + x)dx
utme-mathematics-2019 jamb jamb-2019 jamb-mathematics-2019 math integration calculus
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integrate ∫2-1 (2x2 + x)dx

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judziy
Asked by judziyrep:2.1K
University of Benin Nigeria
25 August 2020

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james_mark
James_mark answeredrep:742
School not set Nigeria
31 August 2020
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2-1 (2x2 + x)dx

= [2x3/3 + x2/2]-12

= [2(2)3/3 + 22/2] - [2(-1)3/3 + (-1)2/2]

= [16/3 + 2] - [-2/3 + 1/2]

= 22/3 - [-1/6]

= 22/3 + 1/6

= 15/2

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