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calculate-1-2-1-dx-4x-2-1-4x-2-1-




Question Number 66339 by mathmax by abdo last updated on 12/Aug/19
calculate ∫_(1/2) ^1  (dx/( (√(4x^2 −1))+(√(4x^2  +1))))
calculate121dx4x21+4x2+1
Commented by Prithwish sen last updated on 13/Aug/19
(1/2)∫_(1/2) ^1 [(√(4x^2 +1)) − (√(4x^2 −1])) dx  = (1/4)[x(√(4x^2 +1)) +(1/2)ln∣2x+(√(4x^2 +1))∣−x(√(4x^2 −1))+(1/2)ln∣2x+(√(4x^2 −1))∣]_(1/2) ^1
12121[4x2+14x21]dx=14[x4x2+1+12ln2x+4x2+1x4x21+12ln2x+4x21]121

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