यदि $f(x) = \frac{\sin(\frac{\pi x}{4})}{x + 1}$ है,तो $\lim_{h \to 0} \frac{f(1 + h) - f(1)}{h^2 + 2h}$ का मान ज्ञात कीजिए।

  • A
    $\frac{\pi - 4}{2\sqrt{2}}$
  • B
    $\frac{\pi}{16\sqrt{2}}$
  • C
    $\frac{\pi - 2}{8\sqrt{2}}$
  • D
    $\frac{\pi - 4}{16\sqrt{2}}$

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