Question

1 supra 2 totul la puterea x+1=4

Answer 1

(1/2)^(x+1)=4=2²
(2^(-1))^(x+1)=2²
-x-1=2
-x=3
x=-3
Verificare
(1/2) ^(-2)=4 adevarat

Answer 2

(1/2)ˣ⁺¹ = 4

1/2 = 2⁻¹

2⁻¹⁾ˣ⁺¹ = 2²

2⁻ˣ⁻¹ = 2²

-x - 1 = 2

-x = 3 /×(-)

x = -3