Question

x+y=3
Ma(x×x( x la a doua); y×y(y la a doua) ; 2xy)

Answer 1

x este 7 asta e răspunsul

Answer 2

Salut,

$M_{aritmetic\breve{a}}=\dfrac{x^2+y^2+2xy}3=\dfrac{(x+y)^2}3=\dfrac{3^2}3=3.$

Green eyes.