Question

Calcule o valor de "a":

• √a= 3
• 5√a= 2
• 7√a= 1

:)

Answer 1

√a = 3

a = ± 3²

a = ± 9

5√a = 2

√a = 2/5

a = ± (2/5)²

a = ± 4/25

√a = 1/7

a = ± 1/49