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Question Number 85711 by Rio Michael last updated on 24/Mar/20

 ∫_(−4) ^2  ((2x + 1)/((x^2 + x + 1)^(3/2) )) dx

242x+1(x2+x+1)3/2dx

Commented by jagoll last updated on 24/Mar/20

∫_(−4) ^2  ((d(x^2 +x+1))/((x^2 +x+1)^(3/2) ))   = [−(2/(√(x^2 +x+1))) ]^2 _(  −4)   = −(2/(√7)) + (2/(√(13)))

24d(x2+x+1)(x2+x+1)3/2Missing \left or extra \right=27+213

Commented by Rio Michael last updated on 24/Mar/20

great

great

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