Question

Rezolvati ecuatia 2^x + 2^x+1 = 24,(∀) x∈R.

Answer 1

Răspuns:

Explicație pas cu pas:

2^x + 2^x+1 = 24

2^x*(1 + 2) = 24

2^x *3 = 24

2^x = 24 : 3 = 8 = 2^3

x = 3

Answer 2

2ˣ+2ˣ⁺¹=24

2ˣ+2ˣ×2=24

2ˣ×(1+2)=24

2ˣ×3=24

2ˣ=24:3

2ˣ=8

2ˣ=2³

x=3