निम्नलिखित अस्पष्ट समीकरण x2 + y2 = a2 दिए जाने पर  \(\rm \frac{dy}{dx}\)  का मान ज्ञात कीजिए: 

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  1. -x/y
  2. -y/x
  3. y/x
  4. x/y

Answer (Detailed Solution Below)

Option 1 : -x/y
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व्याख्या:

दिया गया समीकरण,  x2 + y2 = a2 

दोनों पक्षों को x के सापेक्ष अवकलित करने पर,

⇒ 2x + 2y\(\rm \frac{dy}{dx}\) = 0

⇒ y\(\rm \frac{dy}{dx}\) = -x

⇒ \(\rm \frac{dy}{dx}\) = -x/y

∴ सही विकल्प (1) है।

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