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Find the area enclosed between curve y ...

Find the area enclosed between curve `y = x^(2)+2`, x-axis, `x = 1` and `x = 2`.

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Graph of `y = x^(2) + 2`
Area, `= underset(1)overset(2)int(x^(2)+2)dx = [(x^(3))/(3)+2x]_(1)^(2) = 13/3`
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