$\int \sqrt{x^2 - 8x + 7} \, dx = $

  • A
    $\frac{1}{2}(x - 4)\sqrt{x^2 - 8x + 7} + 9\log |x - 4 + \sqrt{x^2 - 8x + 7}| + c$
  • B
    $\frac{1}{2}(x - 4)\sqrt{x^2 - 8x + 7} - 3\sqrt{2} \log |x - 4 + \sqrt{x^2 - 8x + 7}| + c$
  • C
    $\frac{1}{2}(x - 4)\sqrt{x^2 - 8x + 7} - \frac{9}{2}\log |x - 4 + \sqrt{x^2 - 8x + 7}| + c$
  • D
    इनमें से कोई नहीं

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