7. Using a^2 – b^2 = (a + b) (a – b), find (i) 51^2– 49^2 7. Using a^2 – b^2 = (a + b) (a – b) find (i) 51^2– 49^2 October 12, 2020 Category: Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related 2.Find the area of the following circles, given that: (Take π = 22/7) (b) diameter = 49 m51. Find the value of the letters in each of the following questions. 51. B 6 + 8 A = C A 27. Using a^2 – b^2 = (a + b) (a – b), find (iv) 12.1^2– 7.9^2
