Algebra Identities and Formulas

Question 1 (i) Deleted for CBSE Board 2024 Exams

Question 1 (ii) Important Deleted for CBSE Board 2024 Exams

Question 1 (iii) Deleted for CBSE Board 2024 Exams

Question 1 (iv) Deleted for CBSE Board 2024 Exams

Question 1 (v) Important Deleted for CBSE Board 2024 Exams

Question 1 (vi) Important Deleted for CBSE Board 2024 Exams

Question 1 (vii) Deleted for CBSE Board 2024 Exams

Question 1 (viii) Deleted for CBSE Board 2024 Exams

Question 1 (ix) Important Deleted for CBSE Board 2024 Exams

Question 1 (x) Deleted for CBSE Board 2024 Exams

Question 2 (i) Deleted for CBSE Board 2024 Exams

Question 2 (ii) Deleted for CBSE Board 2024 Exams

Question 2 (iii) Deleted for CBSE Board 2024 Exams

Question 2 (iv) Important Deleted for CBSE Board 2024 Exams

Question 2 (v) Deleted for CBSE Board 2024 Exams

Question 2 (vi) Important Deleted for CBSE Board 2024 Exams

Question 2 (vii) Important Deleted for CBSE Board 2024 Exams

Question 3 (i) Deleted for CBSE Board 2024 Exams

Question 3 (ii) Important Deleted for CBSE Board 2024 Exams

Question 3 (iii) Deleted for CBSE Board 2024 Exams

Question 3 (iv) Important Deleted for CBSE Board 2024 Exams

Question 3 (v) Important Deleted for CBSE Board 2024 Exams You are here

Question 3 (vi) Deleted for CBSE Board 2024 Exams

Question 4 (i) Deleted for CBSE Board 2024 Exams

Question 4 (ii) Deleted for CBSE Board 2024 Exams

Question 4 (iii) Important Deleted for CBSE Board 2024 Exams

Question 4 (iv) Deleted for CBSE Board 2024 Exams

Question 4 (v) Important Deleted for CBSE Board 2024 Exams

Question 4 (vi) Deleted for CBSE Board 2024 Exams

Question 4 (vii) Important Deleted for CBSE Board 2024 Exams

Question 5 (i) Deleted for CBSE Board 2024 Exams

Question 5 (ii) Deleted for CBSE Board 2024 Exams

Question 5 (iii) Important Deleted for CBSE Board 2024 Exams

Question 5 (iv) Deleted for CBSE Board 2024 Exams

Question 5 (v) Important Deleted for CBSE Board 2024 Exams

Question 6 (i) Deleted for CBSE Board 2024 Exams

Question 6 (ii) Important Deleted for CBSE Board 2024 Exams

Question 6 (iii) Deleted for CBSE Board 2024 Exams

Question 6 (iv) Deleted for CBSE Board 2024 Exams

Question 6 (v) Important Deleted for CBSE Board 2024 Exams

Question 6 (vi) Deleted for CBSE Board 2024 Exams

Question 6 (vii) Important Deleted for CBSE Board 2024 Exams

Question 6 (viii) Deleted for CBSE Board 2024 Exams

Question 6 (ix) Important Deleted for CBSE Board 2024 Exams

Question 7 (i) Deleted for CBSE Board 2024 Exams

Question 7 (ii) Important Deleted for CBSE Board 2024 Exams

Question 7 (iii) Deleted for CBSE Board 2024 Exams

Question 7 (iv) Important Deleted for CBSE Board 2024 Exams

Question 8 (i) Deleted for CBSE Board 2024 Exams

Question 8 (ii) Deleted for CBSE Board 2024 Exams

Question 8 (iii) Important Deleted for CBSE Board 2024 Exams

Question 8 (iv) Important Deleted for CBSE Board 2024 Exams

Chapter 8 Class 8 Algebraic Expressions and Identities
Serial order wise

Ex 9.5, 3 - Chapter 9 Class 8 Algebraic Expressions and Identities - Part 5


Transcript

Question 3 Find the following squares by using the identities. (v) (0.4𝑝−0.5𝑞)^2 (0.4𝑝−0.5𝑞)^2 (𝑎−𝑏)^2=𝑎^2+𝑏^2−2𝑎𝑏 Putting 𝑎 = 0.4𝑝 & 𝑏 = 0.5𝑞 = (0.4𝑝)^2+(0.5𝑞)^2−2(0.4𝑝)(0.5𝑞) = (4/10)^2×𝑝^2+(5/10)^2×𝑞^2−(2×4/10×5/10)×(𝑝×𝑞) = 16/100 𝑝^2+ 25/100 𝑞^2−4/10 𝑝𝑞 = 𝟎.𝟏𝟔𝒑^𝟐+𝟎.𝟐𝟓𝒒^𝟐−𝟎.𝟒𝒑𝒒

Go Ad-free
Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.