x = -2-3√2 i y = -3 + 2√2
oblicz:
x-3y
2x-y
a) x-3y = -2-3√2 -3* ( -3 + 2√2 ) =-2-3√2 +9 -6√2= 7-9√2
b) 2x-y = 2*(-2-3√2) - (-3 + 2√2) = -4 -6√2 +3- 2√2 = -1 -8√2
-2-3√2-3(-3 + 2√2)=-2-3√2+9-6√2=7-9√2
2(-2-3√2)- (-3 + 2√2)=-4-6√2+3-2√2=-1-8√2
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x = -2-3√2 i y = -3 + 2√2
oblicz:
a) x-3y = -2-3√2 -3* ( -3 + 2√2 ) =-2-3√2 +9 -6√2= 7-9√2
b) 2x-y = 2*(-2-3√2) - (-3 + 2√2) = -4 -6√2 +3- 2√2 = -1 -8√2
-2-3√2-3(-3 + 2√2)=-2-3√2+9-6√2=7-9√2
2(-2-3√2)- (-3 + 2√2)=-4-6√2+3-2√2=-1-8√2