Question

(-5)² - 4² + (1/5)
Qual o valor de Y=
3-² + 1

Answer 1

(-5)² - 4² + (1/5)
25-16+1/5
9+1/5
$\frac{45+1}{5} = \frac{46}{5} = 9,2$

Y= $3^{-2} + 1$
$\frac{1}{3^2} +1$
$\frac{1}{9} +1$
$\frac{1+9}{9} = \frac{10}{9}$
y= 1,1111111