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Answer 1

Răspuns:

Explicație pas cu pas:

4^(√x +1) = 8 <=>

2^2(√x +1) = 2³  =>

2(√x +1) = 3  <=>

√x +1 = 3/2  =>

√x = 3/2 - 1 = 1/2

√x = 1/2  =>

x = 1/4

5^ˣ² + 1 = 3125  <=>

5^ˣ²⁺¹ = 3125  = 5⁵  =>

x²+1 = 5  => x² = 4  =>

x₁,₂ = ±√4  => x₁,₂ = ±2

x₁ = -2 ; x₂ = 2