(SiNx / 1 + x ^ 2) DX f upper limit 1 lower limit - 1 integral! Wrong title is (SiNx / 1 + x ^ 2 + x ^ 4) DX f upper limit 1 lower limit - 1 integral!

(SiNx / 1 + x ^ 2) DX f upper limit 1 lower limit - 1 integral! Wrong title is (SiNx / 1 + x ^ 2 + x ^ 4) DX f upper limit 1 lower limit - 1 integral!

f(x)=sinx/(1+x^2+x^4)
f(x)=-f(-x)
∫[-1,1]f(x)dx
=0