Usuń niewymierność 3√5/√2-1=
3√5/√2-1*√2+1/√2+1=3√10+3√5/1=3√10-3√5
3√5/√2-1=
3√5 *√2+1/ √2-1*√2+1 =
3√2+3+√10+√5/ 2+√2-√2-1=
3√2+3+√10 +√5
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3√5/√2-1*√2+1/√2+1=3√10+3√5/1=3√10-3√5
3√5/√2-1=
3√5 *√2+1/ √2-1*√2+1 =
3√2+3+√10+√5/ 2+√2-√2-1=
3√2+3+√10 +√5