Uprość wyrażenie: 1) (√3 + √2)(√3 - √2) =√3²-√2²=3-2=1 2) (√5 + 2√3)(3 - 2√5) =3√5-2*5+6√3-4√15=3√5-10+6√3-4√15 3) (1 + 2√8)(√2 - 1) =√2-1+2√16-2√8=√2-1+8-4√2=7-3√2
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Uprość wyrażenie:
1) (√3 + √2)(√3 - √2) =√3²-√2²=3-2=1
2) (√5 + 2√3)(3 - 2√5) =3√5-2*5+6√3-4√15=3√5-10+6√3-4√15
3) (1 + 2√8)(√2 - 1) =√2-1+2√16-2√8=√2-1+8-4√2=7-3√2