InterviewSolution
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InterviewSolution
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फलनों का x के सापेक्ष समाकलन कीजिए - `(1)/(3+2 cosx)` |
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Answer» Correct Answer - `(2)/(sqrt5)tan^(-1){(tanx//2)/(sqrt5)}` `(1)/(3+2 cosx)=int(1)/(3+2((1-tan^(2)x//2)/(1+tan^(2)x//2))).dx=int(sec^(2)x//2)/(5+tan^(2)x//2)dx` अब माना `tan.(x)/(2) = t " "rArr" "sec^(2).(x)/(2)dx=2dt` |
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