MCQ
$\int \sqrt{x^2-8 x+7} d x$ बराबर है
  • A
    $\frac{1}{2}(x-4) \sqrt{x^2-8 x+7}$$+9 \log \left|x-4+\sqrt{x^2-8 x+7}\right|+C$
  • B
    $\frac{1}{2}(x+4) \sqrt{x^2-8 x+7}$$+9 \log \left|x+4+\sqrt{x^2-8 x+7}\right|+C$
  • C
    $\frac{1}{2}(x-4) \sqrt{x^2-8 x+7}$$-3 \sqrt{2} \log \left|x-4+\sqrt{x^2-8 x+7}\right|+C$
  • $\frac{1}{2}(x-4) \sqrt{x^2-8 x+7}$$-\frac{9}{2} \log \left|x-4+\sqrt{x^2-8 x+7}\right|+C$

Answer

Correct option: D.
$\frac{1}{2}(x-4) \sqrt{x^2-8 x+7}$$-\frac{9}{2} \log \left|x-4+\sqrt{x^2-8 x+7}\right|+C$
D

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