Question

Solutiile Reale ale ecuatiei x la puterea a2a x2= radical din 256

Answer 1

x²=√256
x²=√2.2.2.2.2.2.2.2
x²=2.2.2.2
x=√2.2.2.2
x=2.2=4

Answer 2

1 (x^2)*2 = radical din 256 <=> (x^2)*2  = 16<=> x^2 = 8 <=> modul din x = 2$\sqrt{2}$ <=> x = + sau - 2$\sqrt{2}$

Bafta!