Question

raiz quadrada de 81/16

Answer 1

√(81/16) = 9/4


pois 9² = 9.9 = 81
pois 4² = 4.4 = 16 .


resposta :>: 9/4

Answer 2

$\sqrt{ \frac{81}{16} } = \frac{ \sqrt{81} }{ \sqrt{16} } = \frac{9}{4} = 2.25$