Oblicz wartości liczbowe wyrażeń
b) a(2ab+b)-b(a-2ab+a²) dla a= 0,1 b=-10
Potrzebuje pełne działanie
dla a=0,1 i b=-10
a(2ab+b)-b(a-2ab+a²)=2a²b+ab-ab+2ab²+a²b=3a²b+2ab²
3·(0,1)²·(-10) +2·0,1·(-10)²=3·0,01 ·(-10) +0,2·100= -0,3+20=19,7
0.1(2·0.1+(-10))-(-10)(0.1-2·0.1·(-10)+0.1²)= 0.1(0.2-10-(-10)(0.1+2+0.01)= 0.1(0.2-10-(-1-20-0.1)= 0.1(-9.8+1+20+0.1)= 0.1(11,3)= 1.13
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dla a=0,1 i b=-10
a(2ab+b)-b(a-2ab+a²)=2a²b+ab-ab+2ab²+a²b=3a²b+2ab²
3·(0,1)²·(-10) +2·0,1·(-10)²=3·0,01 ·(-10) +0,2·100= -0,3+20=19,7
b) a(2ab+b)-b(a-2ab+a²) dla a= 0,1 b=-10
0.1(2·0.1+(-10))-(-10)(0.1-2·0.1·(-10)+0.1²)= 0.1(0.2-10-(-10)(0.1+2+0.01)= 0.1(0.2-10-(-1-20-0.1)= 0.1(-9.8+1+20+0.1)= 0.1(11,3)= 1.13