Oblicz wartość wyrażenia 2m³- m² dla m= √3 -1
2m³- m² =2(√3-1)³-(√3-1)²=2(√3³-3*√3²*1+3*√3*1²-1³)-(√3²-2*√3*1+1²)=
=2(3√3-9+3√3-1)-3+2√3-1= 6√3-18+6√3-2-3+2√3-1=14√3-24
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2m³- m² =2(√3-1)³-(√3-1)²=2(√3³-3*√3²*1+3*√3*1²-1³)-(√3²-2*√3*1+1²)=
=2(3√3-9+3√3-1)-3+2√3-1= 6√3-18+6√3-2-3+2√3-1=14√3-24