Question

integral solve this question ??????

Answer 1

send the question. ..........

Answer 2

Hence the answer of 6 is
$\frac{1}{4} log( \frac{ {x}^{2} + \sqrt{2} x + 1}{x^{2} - \sqrt{2} x + 1} ) + \frac{1}{2} \tan^{ - 1} ( \sqrt{2}x + 1 ) + \frac{1}{2} \tan ^{ - 1} ( \sqrt{2}x - 1 ) + c$