Test Index

WAEC Further Mathematics 2019 Paper

Question : 29

Total: 39

Evaluate

\int\limits_{0}^{0} \sqrt{x} dx

Solution:

$\int\limits_{0}^{0} \sqrt{x} dx$

$\;\frac{x^{1/2}\;+\;1}{\frac{1}{2}+1}$ | ${}^{9}_{0}$

$\;\frac{2x^{3/2}}{3}$ | ${}^{9}_{0}$

= $\;\frac{2(9)^{3/2}}{3}$

= $\;\frac{2(3)^3}{3}$

= $\;\frac{2 \times 27}{3}$

= 2 x 9

= 18

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