Question

I need help with this problem please help me

Answer 1

One square root of two plus nine square roots of two equals ten square roots of two.

$\sqrt 2 + 9 \sqrt 2$

$= 1 \sqrt 2 + 9 \sqrt 2$

$=(1 + 9)\sqrt 2$

$=10 \sqrt 2$

Answer: 10√2