Question

Ajutor va rog!
Tot 14 la B unde y=radical8

Answer 1

$14)b)x = \sqrt{ {(1 - 2 \sqrt{2} )}^{2} }$

$x = |1 - 2 \sqrt{2} |$

$1 - 2 \sqrt{2} < 0 = > |1 - 2 \sqrt{2} | = 2 \sqrt{2} - 1$

$x = 2 \sqrt{2} - 1$

$y = \sqrt{8} = 2 \sqrt{2}$

$= > 2 \sqrt{2} - 1 < 2 \sqrt{2}$

$= > x < y$