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=3.14(2A)^2
We move all terms to the left:
-(3.14(2A)^2)=0
We get rid of parentheses
-3.142A^2=0
a = -3.142; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-3.142)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$A=\frac{-b}{2a}=\frac{0}{-6.284}=0$
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