Question

Se x=√2 e y=√72 -√32+2√25 entao:

 

 

a) Y=14 x

b) Y=12x,

c) Y=7x

d) Y=2x+10

Answer 1

$<var>\sqrt{72} - \sqrt{32} + 2\sqrt{25} \\ 6\sqrt{2} - 4\sqrt{2} + 2 . 5 \\ 2\sqrt{2} + 10</var>$ PORTANTO substitua Raiz de 2 por X

 

Y = 2x + 10