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Question Number 86627 by Omer Alattas last updated on 29/Mar/20

Commented by abdomathmax last updated on 29/Mar/20

x→((tanx)/(1+x^2  +x^4 )) is odd ⇒∫_(−1) ^1  ((tanx)/(1+x^2  +x^4 ))dx=0

xtanx1+x2+x4isodd11tanx1+x2+x4dx=0

Commented by Omer Alattas last updated on 29/Mar/20

i know this mathod

iknowthismathod

Commented by Omer Alattas last updated on 29/Mar/20

 thanks anyway

thanksanyway

Answered by Omer Alattas last updated on 29/Mar/20

with  out ∫f(x)dx=∫f(−x)dx whin x [−a,a]

withoutf(x)dx=f(x)dxwhinx[a,a]

Commented by mathmax by abdo last updated on 29/Mar/20

why doing calculus if the result is 0

whydoingcalculusiftheresultis0

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