Question

$\sqrt{8 - 2 \sqrt{15} }$

Answer 1

hey mate!......

hope it helps u dear....

Answer 2

ʜᴇʟʟᴏ ᴍᴀᴛᴇ!

√( 8 - 2√15 )

√( √5² + √3² - 2 × √5 × √3 )

As, ( a - b )² = a² + b² - 2ab

√( √5 - √3 )²

Here, square and root got cancelled

√5 - √3.

Hope it helps