Rozwiązać równanie:
b=0,5c
{
3+(0,5c)^2=c^2
3+(0,5c)^2=c^2-c^2+0,25c^2=-3-0,75c^2=-3c^2=4c=2 v c=-2
b=1 v b=-1
v-lub
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3+(0,5c)^2=c^2
-c^2+0,25c^2=-3
-0,75c^2=-3
c^2=4
c=2 v c=-2
b=1 v b=-1
v-lub