Question

(acafe-sc) Se x=√3 e y=√12+√243-2√27 então

a) y=x
b)y=5x
c)y=7x
d)y=8x
e)y=17x

Answer 1

Se x=√3 e y=√12+√243-2√27

Se x=√3

y=√12+√243-2√27

y = √2².3 + √3².3².3 - 2√3².3

y = 2√3 + 3.3√3 - 2.3√3

y = 2√3 + 9√3 - 6√3

y = 5√3 

y =  5.x

Letra B