Question

qual a raiz quadrada de 144

Answer 1

dividindo por fatores primo

144 ∣ 2
72 ∣ 2
36 ∣ 2
18 ∣ 2
9 ∣ 3
3 ∣ 3
1
144 = 2² . 2² . 3²

√144 = √2² . √2² . √3²
√144 = 2 . 2 . 3
√144 = 12

R.: √144 = 12

Answer 2

144

144 | 2
  72 | 2
  36 | 2
  18 | 2
   9  | 3
   3  | 3
   1

144 = 2² . 2² . 3²

 $\sqrt{144} = \sqrt{2^2\cdot2^2\cdot3^2}\\\\ \sqrt{144}=2\cdot2\cdot3\\\\ \boxed{\sqrt{144}=12}$