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प्रश्न
Solve the following : `int_1^2 x^2*dx`
उत्तर
Let I = `int_1^2 x^2*dx`
= `[x^3/3]_1^2`
= `(1)/(3) (2^3 - 1^3)`
= `(1)/(3)(8 - 1)`
∴ I = `(7)/(3)`.
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