Question

raiz quadrada da equação 1 + (3/4)²

Answer 1

$\sqrt{1+ (\frac{3}{4})^2 }=\sqrt{1+ \frac{9}{16} }=\sqrt{ \frac{16}{16} + \frac{9}{16} } =\sqrt{ \frac{25}{16} }= \frac{ \sqrt{25}}{\sqrt{16}} = \frac{5}{4}$

Answer 2

√[ 1 + (3/4)² ]
= √ [1 + 9/16]
= √ [25/16]
= (√25)/(√16)
= 5/4