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Question-206543




Question Number 206543 by luciferit last updated on 18/Apr/24
Answered by lepuissantcedricjunior last updated on 18/Apr/24
∫((3+2(√x))/(4+(√x)))dx=∫((2(4+(√x))−5)/(4+(√x)))dx                         =2x−{5∫(dx/(4+(√x)))    x=t^2 ⇔dx=2tdt}            =2x−{10∫(1−(4/(4+t)))dt}            =2x−10(√x)+40ln(4+(√x))+c
3+2x4+xdx=2(4+x)54+xdx=2x{5dx4+xx=t2dx=2tdt}=2x{10(144+t)dt}=2x10x+40ln(4+x)+c

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