Question

√20+√5= por favor reponda

Answer 1

20 = 2 x 2 x 5    ⇒√20 = √2² × 5 =  √20 = 2√5

√20 + √5 = 2√5 + √5

2√5 + √5 = 3√5

3√5 = ≈ 6,71