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Question
Choose the correct alternative :
`int_2^3 x^4*dx` =
Options
`(1)/(2)`
`(5)/(2)`
`(5)/(211)`
`(211)/(5)`
Solution
`int_2^3 x^4*dx` = `[x^5/5]_2^1`
= `(1)/(5)(3^5 - 2^5)`
= `(1)/(5)(243 - 32)`
= `(211)/(5)`.
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