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अवधारणा:
प्रतिस्थापन का उपयोग करके समाकलन की अवधारणा का प्रयोग करें..
गणना:
फिर
गुणन नियम का उपयोग करके समाकलन करने पर
फिर 4t2 + 1 = u ⇒ t dt = 1/8 du प्रतिस्थापित करने पर
u का प्रतिस्थापन पूर्ववत करने पर
पुनः 4t2 + 1 = u ⇒ t dt = 1/8 du प्रतिस्थापित करने पर
u का प्रतिस्थापन पूर्ववत करने पर
t का प्रतिस्थापन पूर्ववत करने पर
इसलिए A =
अतः विकल्प (4) सही है।
Last updated on Jun 19, 2025
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