Exercise 4.3 class 10 maths 1. Find the nature of the roots of the following quadratic equations. If the real roots exist ,find them. (i) 2x² – 3x + 5 =0 Here a = 2 , b = -3 , c = 5 D = b² – 4ac D = (-3)² – 4 … Read more
exercise 4.2 class 10 maths 1. Find the roots of the following quadratic equations by factorization. (i) x² – 3x – 10 = 0 (ii) 2x² + x – 6 = 0 (iii) √2 x² + 7x + 5√2 = 0 (iv) 2x² – x + 1/8 = 0 (v) 100x² – 20x + 1 … Read more
exercise 4.1 class 10 maths 1. Check whether the following are quadratic equations : 2. Represent the following situations in the form of quadratic equations: (i) The area of a rectangular plot is 528 m². The length of the plot ( in metres) is one more than twice its breadth. We need to find the … Read more
