Question 2 (ii) - Examples - Chapter 8 Class 8 Algebraic Expressions and Identities
Last updated at Dec. 16, 2024 by Teachoo
Examples
Example 1
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Chapter 8 Class 8 Algebraic Expressions and Identities
Serial order wise
Transcript
Example 12 Using Identity (II), find (ii) (4.9)^2 (4.9)^2 = (5β0.1)^2 (πβπ)^2=π^2+π^2β2ππ Putting π = 5 & π = 0.1 = (5)^2+(0.1)^2β2(5)(0.1) = 25+(1/10)^2β(2Γ5Γ1/10) = 25+1^2/γ10γ^2 β(10/10) = 25+1/100β1 = 24+1/100 = (24 Γ 100 + 1)/100 = (2400 + 1)/100 = 2401/100 = ππ.ππ
