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If 0ltx<1, then="" prove="" that="" (1-2...

If `0ltx<1,` then="" prove="" that="" `(1-2x)="" (1-x="x^2)+(2x-4x^3)/(1-x^2+x^4)+(4x^3-8x^7)/(1-x^4+x^8)+....oo=(1+2x)/(1+x+x^2)`

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  3. If 0ltx<1, then="" prove="" that="" (1-2x)="" (1-x="x^2)+(2x-4x^3)/(1-...

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