Rownanie tożsamościowe
(x√2)(1-√2)=-1
x√2-2x=-1
x(√2-2)=-1
x=-1/(√2-2)
x=-(√2+2)/(√2-2)(√2+2)
x=-(√2+2)/(2-4)
x=-(√2+2)/-2
x=√2/2+1
(x√2)(1-√2)=- 1
x√2=-1/(1-√2)
x√2=[-1(1+√2)]/(1-2)
x√2=1+√2
x=(1+√2)/√2
x=(√2+2)/2
x=½√2+1
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(x√2)(1-√2)=-1
x√2-2x=-1
x(√2-2)=-1
x=-1/(√2-2)
x=-(√2+2)/(√2-2)(√2+2)
x=-(√2+2)/(2-4)
x=-(√2+2)/-2
x=√2/2+1
(x√2)(1-√2)=- 1
x√2=-1/(1-√2)
x√2=[-1(1+√2)]/(1-2)
x√2=1+√2
x=(1+√2)/√2
x=(√2+2)/2
x=½√2+1