9. Simplify the following (7) 4 root 81 – 8 3 root 216 + 15 5 root 32 + root 225 9. Simplify the following (7) 4 root 81 - 8 3 root 216 + 15 5 root 32 + root 225 June 27, 2021 Category: Chapter 1 - Number Systems , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related