Author name: khushikhanera

Exercise 8.1 Q1. In ∆ ABC, right-angled at B, AB = 24 cm, BC = 7 cm. Determine:(i) sin A, […]

Q1. Find the coordinates of the point which divides the join of (-1, 7) and (4, -3) in the ratio

Q1. Find the distance between the following pairs of points:(i) (2, 3), (4, 1)  Ans: Let P(2, 3) and Q(4, 1)

Exercise 6.1 Q1: Fill in the blanks using the correct word given in brackets.(i) All circles are _______(congruent, similar).(ii) All

Exercise 5.3 Formula for Sum of an AP Q1: Find the sum of the following APs:(i) 2, 7, 12, …,

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=