Question

integral solve this question ??????

Answer 1

This is the answer of 5. And the answer is
$\frac{1}{4} log( \frac{ {x}^{2} + x + 1 }{ {x}^{2} - x + 1 } ) + \frac{1}{2 \sqrt{3} } \tan ^{ - 1} ( \frac{2x + 1}{ \sqrt{3} } ) + \frac{1}{2 \sqrt{3} } \tan ^{ - 1} ( \frac{2x - 1}{ \sqrt{3} } ) + c$