Question

calcule V20+V45 (raiz glr)

Answer 1

√20 + √ 45 =
2√5 + 3√5
5√5

Answer 2

20|2

10|2

5|5

1          √2²x5

______________________________________

45|3

15|3

5|5

1           √3²x5

$\sqrt{20}+ \sqrt{45} =2 \sqrt{5} + 3\sqrt{5} =5 \sqrt{5}$

Forte abraço!