Question

complete de modo a obter sentenças verdadeiras:
a- √13·_ =13

b- 2√7·_ =14

c- 5√2·_ =10

Answer 1

a)

√13 . √13

(√13)² = 13

===

b)

2√7 . √7

2.(√7)²

2.7 = 14

===

c)

5√2 . √2

5.(√2)²

5 . 2 = 10

Answer 2

a- √13 . √13 = (√13)² = 13

b- 2√7 . √7 = 2(√7)² = 2 . 7 = 14

c- 5√2 . √2 = 5(√2)² = 5 . 2 = 10