23. The value of (7^–1 – 8^–1)^–1 – (3^–1 – 4^–1)^–1 is 23. The value of (7^–1 – 8^–1)^–1 – (3^–1 – 4^–1)^–1 is July 29, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related