![Ex 9.5, 6 - Chapter 9 Class 8 Algebraic Expressions and Identities - Part 6](https://d1avenlh0i1xmr.cloudfront.net/98052b42-bde9-4790-85b3-14bfa6d4bf63/slide48.jpg)
Algebra Identities and Formulas
Last updated at April 16, 2024 by Teachoo
Question 6 Using identities, evaluate. (v) 〖5.2〗^2 〖5.2〗^2 =(5+0.2)^2 (𝑎+𝑏)^2=𝑎^2+𝑏^2+2𝑎𝑏 Putting 𝑎 = 5 & 𝑏 = 0.2 (𝑎+𝑏)^2=𝑎^2+𝑏^2+2𝑎𝑏 Putting 𝑎 = 5 & 𝑏 = 0.2 = 27+ 4/100 = 27+0.04 = 𝟐𝟕.𝟎𝟒