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Sum
निम्नलिखित फलन का समाकलन ज्ञात कीजिए-
`(sqrt tan x)/(sinx cos x)`
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Solution
माना `"I" = int (sqrt tan x)/(sinx cos x)` dx
`"I" = int (tan x)^((-1)/2) sec^2 "x dx"`
tan x = t लेने पर
sec2 x dx = dt
अत: `"I" = int "t"^((-1)/2)` dt
`= 2 "t"^(1/2) + "C"`
`= 2 sqrt(tan x) + "C"`
Concept: समाकलन की विधियाँ - प्रतिस्थापन द्वारा समाकलन
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