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Question
Evaluate `int (5"x" + 1)^(4/9)` dx
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Solution
Let I = `int (5"x" + 1)^(4/9)` dx
`= (5"x" + 1)^(4/9 + 1)/((4/9 + 1) xx 5)` + c
`= (5"x" + 1)^(13/9)/(13/9 xx 5)` + c
∴ I = `9/65 (5"x" + 1)^(13/9)` + c
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