MCQ
$\int_{ - 1}^1 {\log \frac{{2 - x}}{{2 + x}}\,dx} = $
  • A
    $2$
  • B
    $1$
  • C
    $ - 1$
  • $0$

Answer

Correct option: D.
$0$
d
(d) Let $f(x) = \log \left( {\frac{{2 - x}}{{2 + x}}} \right)$

$ \Rightarrow f( - x) = \log {\left( {\frac{{2 - x}}{{2 + x}}} \right)^{ - 1}} $

$= - \log \left( {\frac{{2 - x}}{{2 + x}}} \right) = - f(x)$

$\therefore $ $\int_{ - 1}^1 {\log \left( {\frac{{2 - x}}{{2 + x}}} \right)\,\,dx = 0} $.

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