Question

Me responda a irracional √x+1 =2

Answer 1

Se for:

$\sqrt{x+1}=2 \\ \sqrt{x+1}^{2}=2^{2} \\ x+1=4 \\ x = 3$

Se for:

$\sqrt{x}+1=2 \\ \sqrt{x}=1 \\ x = 1^{2} \\ x = 1$

Answer 2

Vamos lá

Calculo:

√ X + 1 = 2

X + 1 = 2²

X + 1 = 4

X = 4 - 1

X = 3