jika sistem oersamaan 2 = px - y. ,. y = x² + x - 2. memiliki satu penyelesaian , nilai p...

[tex] {y}^{.} = 0 \: \: \: \: \: y = {x}^{2} + x - 2\\ {y}^{. } = 2x + 1 \\ 2x + 1 = 0 \\ x = \frac{ - 1}{ 2} \\ y = \frac{1}{4} + \frac{1}{2} - 2 \\ y = - \frac{5}{4} \\ 2 = px - y \\2 = \frac{ - 1}{2} p + \frac{5}{4} \\ p = \frac{5}{4} [/tex]