Question

Si se cumple que: x2 + y2 = 2xy
determine: x-y+5​

Answer 1

Respuesta:

dato:

x2 + y2 = 2xy

x2 - 2xy + y2 = 0

(x - y)^2 = 0

despejar (x-y)

raiz [(x - y)^2] = raiz[0]

(x - y) = 0

hallar: (x-y) + 5 = (0) + 5 = 5

c: