Question 4 (i) - Examples - Chapter 8 Class 8 Algebraic Expressions and Identities
Last updated at Dec. 16, 2024 by Teachoo
Examples
Example 1
You are here
You are here
Chapter 8 Class 8 Algebraic Expressions and Identities
Serial order wise
Transcript
Example 14 Use the Identity (π₯+π)(π₯+π)=π₯^2+(π+π)π₯+ππ to find the following: (i) 501 Γ 502 501 Γ 502 = (500+1)Γ(500+2) (π₯+π)(π₯+π)=π₯^2+(π+π)π₯+ππ Putting π₯ = 500 , π = 1 & π = 2 = (500)^2+(1+2)(500)+(1)(2) = 250000+(3Γ500)+2 = 250000+1500+2 = ππππππ
