InterviewSolution
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InterviewSolution
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फलनों का समाकलन कीजिए - `(sec^(2)x)/((3+tanx)(4+tanx))` |
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Answer» Correct Answer - `log((3+tanx)/(4+tanx))` माना `tan x= t rArr sec^(2)x dx = dt` तब `int(sec^(2)xdx)/((3+tanx)(4+tanx))=int(dt)/((3+t)(4+t))=int[(1)/(3+t)-(1)/(4+t)]dt` |
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