Notes Of Ch 2 Polynomials Class 9th Math
X 3, 2y – 5, 3x2, 4xy 7 etc You can form many more expressions As you know expressions are formed from variables and constants The expression 2 y – 5 is formed from the variable y and constants 2 and 5 The expression 4 xy 7 is formed from variables x and y and constants 4 and 7Class 9 RD Sharma Solutions Chapter 4 Algebraic Identities Ex 43 Question 1 Find the cube of each of the following binomial expressions Solution Question 2 If a b = 10 and ab = 21, find the value of a 3 b 3 Solution a b = 10, ab = 21
