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प्रश्न
Choose the correct alternative :
If `int_0^"a" 3x^2*dx` = 8, then a = ?
विकल्प
2
0
`(8)/(3)`
a
उत्तर
`int_0^"a" 3x^2*dx` = 8
∴ `3[x^3/3]_0^"a"` = 8
∴ a3 = 23
∴ a = 2.
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