(2x/1+x↑2+x↑4)+(1/1+x+x↑2)-(1/1-x+x↑2)
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(2x/1+x^2+x^4)+(1/1+x+x^2)-(1/1-x+x^2)
=(2x+x^2+x^4)+(1+x+x^2)-(1-x+x^2)
=2x+x^2+x^4+1+x+x^2-1+x-x^2
=2x+x+x+x^2+x^2-x^2+x^4+1-1
=4x+x^2+x^4
=(2x+x^2+x^4)+(1+x+x^2)-(1-x+x^2)
=2x+x^2+x^4+1+x+x^2-1+x-x^2
=2x+x+x+x^2+x^2-x^2+x^4+1-1
=4x+x^2+x^4
vednig12:
{2x/(1+x↑2+x↑4}+{1/(1+x+x↑2)}-{1/(1-x+x↑2)}
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