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निम्न फलनों के मान ज्ञात कीजिये - `int(cotx)/(log sin x)dx` |
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Answer» माना ` I = int (cot x)/(log sinx)` माना `log sin x = t` `rArr (1)/(sinx) . cos x dx = dt` `rArr " " cot x dx = dt` अतः `I = int (dt)/(t) = log t` `therefore " " I = log (log sin x)` |
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