समाकल का मूल्यांकन करें: $\int \frac{\sin x}{\sin 4x} dx$

  • A
    $\frac{1}{4\sqrt{2}} \log \left| \frac{1 + \sqrt{2} \sin x}{1 - \sqrt{2} \sin x} \right| + \frac{1}{4} \log |\sec x + \tan x| + c$
  • B
    $\frac{1}{4\sqrt{2}} \log \left| \frac{1 + \sqrt{2} \sin x}{1 - \sqrt{2} \sin x} \right| - \frac{1}{4} \log |\sec x + \tan x| + c$
  • C
    $\frac{1}{4\sqrt{2}} \log \left| \frac{1 - \sqrt{2} \sin x}{1 + \sqrt{2} \sin x} \right| + \frac{1}{4} \log |\sec x + \tan x| + c$
  • D
    $\frac{1}{4\sqrt{2}} \log \left| \frac{1 - \sqrt{2} \sin x}{1 + \sqrt{2} \sin x} \right| - \frac{1}{4} \log |\sec x + \tan x| + c$

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परिमेय फलन का समाकलन कीजिए: $\frac{3x-1}{(x-1)(x-2)(x-3)}$

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