Question
फलन का x के सापेक्ष समाकलन कीजिए: sin mx

Answer

हम जानते हैं कि mx का अवकलज m है। अतः हम mx = t प्रतिस्थापन करते हैं, ताकि mdx = dt
इसलिए $\int $sin mx dx = $\frac{1}{m}$ $\int $sin t dt = $-\frac{1}{m}$ cos t + C = $-\frac{1}{m}$cos mx + C

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