Question

Calcule com Bhaskara 4x²-2x+1

Answer 1

X= -(-2) +ou- Raiz de {-(-2)²-4.4.1}/2.4
X= +2 +ou- Raiz de {4-8}/8
X= +2 +ou- Raiz de {4}/8
X= +2 +ou- 2/8

X¹= 2+2/8= 1/2
X²= 2-2/8= 0/8