Question

Find square root of 7-2root10​

Answer 1

Answer:

root ( 7-2root 10) = root ( 5 + 2 - 2 root 10) = root ((root 5 square ) + ( root 2 square ) - 2.root5 .root2) = ( root 5 square - root 2 square ) root = root 5 - root2 ( identity a2+ b2 + 2ab ,( a+b)2))...

( i hope its hlep u)