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" If "a+ib=((x+i)^(2))/(2x^(2)+1)," prov...

" If "a+ib=((x+i)^(2))/(2x^(2)+1)," prove that "a^(2)+b^(2)=((x^(2)+1)^(2))/((2x^(2)+1)^(2))

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