Example 16: Simplify the following expressions: (ii) (5 + root5) (5 – root5) Example 16: Simplify the following expressions: (ii) (5 + root5) (5 - root5) October 13, 2020 Category: Chapter 1 - Number Systems , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related