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1-find-x-1-x-1-x-dx-2-calculate-1-3-x-1-x-1-x-dx-




Question Number 41845 by maxmathsup by imad last updated on 13/Aug/18
1)find    ∫         (x/( (√(1+x)) +(√(1−x)))) dx  2) calculate  ∫_1 ^3      (x/( (√(1+x)) +(√(1−x)))) dx
1)findx1+x+1xdx2)calculate13x1+x+1xdx
Answered by MJS last updated on 13/Aug/18
∫(x/( (√(1+x))+(√(1−x))))dx=(1/2)∫(√(1+x))dx−(1/2)∫(√(1−x))dx=  =(1/3)((√((1+x)^3 ))+(√((1−x)^3 )))+C
x1+x+1xdx=121+xdx121xdx==13((1+x)3+(1x)3)+C

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