1)Oblicz wartość liczbową wyrażenia (x6−y2)/8 dla x=3√2−1 , y=√2+1
2)(9^3*3^3/2)/pierwiastek z 27
1.
[6(3√2−1)-2(√2+1)]/8
[18√2-6-(4√2+2)]/8
(18√2-6-4√2-2)/8
14√2-8/8
2(7√2-4)/8 teraz obustronnie dzielisz na 2
7√2-4/4
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1.
[6(3√2−1)-2(√2+1)]/8
[18√2-6-(4√2+2)]/8
(18√2-6-4√2-2)/8
14√2-8/8
2(7√2-4)/8 teraz obustronnie dzielisz na 2
7√2-4/4