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प्रश्न
Find the area of the region bounded by the curve y = x2, the X-axis and the lines x = 1, x = 3.
बेरीज
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उत्तर
Required area = `int_1^3 y dx`, where y = x2
= `int_1^3 x^2 dx`
= `[x^3/3]_1^3`
= `1/3[x^3]_1^3`
= `1/3 (27 - 1)`
= `26/3` sq. units.
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