Exercise 5.1 Q1. In which of the following situations, does the list of numbers involved make an arithmetic progression and […]

Exercise 4.1 Q1. Check whether the following are quadratic equations: (i) (x + 1)2 = 2(x−3)We have:(x + 1)2 = 2 (x

Exercise 3.1 Q1. Form the pair of linear equations in the following problems, and find their solutions graphically.(i) 10 students

 Exercise 2.1 Q1: The graphs of y = p(x) are given in Fig. 2.10 below, for some polynomials p(x). Find

Q1: Prove that √5 is irrational.Sol: Let us assume, that √5 is rational number.i.e. √5 = x/y (where, x and y are co-primes)y√5=

Q1. Express each number as a product of its prime factors:(i) 140(ii) 156(iii) 3825(iv) 5005(v) 7429Solutions:(i) 140Prime factors of 140