Question

Simplifique

A) √32 + √50

B) √98 + 3 √18

Answer 1

A) √32 + √50

= √2² * 2² * 2   +  √2 * 5²

= 2 * 2 √2   +  5√2

= 4√2 + 5√2

= 9√2

B) √98 + 3 √18

= √2 * 7²  +  3 √2 * 3²

= 7√2 + 3 * 3 √2

= 7√2 + 9√2

= 16√2

Answer 2

Simplifique

A) √32 + √50

B) √98 + 3 √18

Explicação passo-a-passo:

32 = 2*16, 50 = 2*25

98 = 2*49, 18 = 2*9

A) √32 + √50  = 4√2 + 5√2 = 9√2

B) √98 + 3 √18 = 7√2 + 9√2 = 16√2