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Question
Evaluate the following : `int (1)/sqrt(2x^2 - 5).dx`
Solution
`int (1)/sqrt(2x^2 - 5).dx`
= `(1)/sqrt(2) int (1)/sqrt(x^2 - 5/2).dx`
= `(1)/sqrt(2) int (1)/sqrt(x^2 - (sqrt(5/2))^2).dx`
= `(1)/sqrt(2) log|x + sqrt(x^2 - 5/2)| + c`.
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