अर्ध दीर्घ अक्ष 'a' एवं अर्ध लघु अक्ष 'b' वाले दीर्घवृत का क्षेत्रफल क्या होगा?

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ISRO SHAR Technician B Fitter 29 April 2018 Official Paper
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  1. π ab
  2. 4 π ab
  3. 2 π ab
  4. π ab/2

Answer (Detailed Solution Below)

Option 1 : π ab
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Detailed Solution

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दिया गया है:

अर्ध-दीर्घ अक्ष = a

अर्ध-लघु अक्ष = b

प्रयुक्त अवधारणा:

दीर्घवृत्त का क्षेत्रफल = πab, जहाँ a और b दीर्घवृत्त के अर्ध-दीर्घ और अर्ध-लघु अक्ष की लंबाई हैं।

गणना:

इसलिए, अर्ध-दीर्घ अक्ष 'a' और अर्ध-लघु अक्ष 'b' वाले दीर्घवृत्त का क्षेत्रफल πab है।

∴ अर्ध-दीर्घ अक्ष 'a' और अर्ध-लघु अक्ष 'b' वाले दीर्घवृत्त का क्षेत्रफल πab है।

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