Question

Determinati numerele X,Y,Z stiind ca;(x la puterea 2,77,10y+13)=(5y+2,4z+3,16)

Answer 1

(x²,77,10y+13)=(5y+2,4z+3,16)
x²=5y+2
4z+3=77
10y+13=16

10y=16-13
10y=3
y=3:10
y=0,3

4z=77-3
4z=74
z=74:4
z=18,5

x²=5x0,3+2
x²=1,5+2
x²=3,5
x=√3,5