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`int(secx+tanx)/(secx-tanx)dx` को हल कीजिए । |
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Answer» `int(secx+tanx)/(secx-tanx)dx` `=int((secx+tanx)^(2))/(sec^(2)x-tan^(2)x)dx` `=int(sec^(2)x+tan^(2)x+2secxtanx)dx` `=int{sec^(2)x+(sec^(2)x-1)+2secxtanx}dx` `=2intsec^(2)xdx - int 1dx+2intsecxtanxdx` `=2tanx-x+2secx+c` |
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