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$