Question

Determinati numerele naturale x si y stiind ca x la a 2 ori ( y+3 ) = 864

Answer 1

x,y = ?

x ∈ N, y ∈ N

x² · (y + 3) = 864

x² ≥ 0 ⇒ y + 3 = 864/x²

y = 3(288 - x²)/x²

x = 12, y = 3

x = 6, y = 21

x = 4, y = 51

x = 3, y = 93

x = 2, y = 213

x = 1, y = 861