प्राचलों का विलोपन किए बिना, \( \frac{d y}{d x} \) ज्ञात कीजिए: \[ x=a(\cos \theta+\theta \sin \...

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प्राचलों का विलोपन किए बिना, \( \frac{d y}{d x} \) ज्ञात कीजिए:
\[
x=a(\cos \theta+\theta \sin \theta), y=a(\sin \theta-\theta \cos \theta)
\]
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