यदि $0 \le x \le 1$ और $(\sin^{-1} x)^3 + (\cos^{-1} x)^3 = a\pi^3$ है, तो $a$ का परिसर ज्ञात कीजिए।

  • A
    $a \ge \frac{1}{32}$
  • B
    $a \ge \frac{1}{16}$
  • C
    $a \le \frac{1}{32}$
  • D
    $a \le \frac{1}{16}$

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यदि $y = \sec^{-1}\left(\frac{1}{2x^2 - 1}\right)$ है,तो $\frac{dy}{dx}$ ज्ञात कीजिए,जहाँ $0 < x < \frac{1}{\sqrt{2}}$.

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