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Question
Evaluate the following integrals : `int(4x + 3)/(2x + 1).dx`
Solution
`int(4x + 3)/(2x + 1).dx`
= `int((2(2x + 1) + 1))/(2x + 1).dx`
= `int ((2(2x + 1))/(2x + 1) + 1/(2x + 1)).dx`
= `2 int 1 dx + int 1/(2x + 1).dx`
= `2x + (1)/(2) log|2x + 1| + c`.
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