exercise 2.1 class 10 maths Solutions: For finding number of zeroses of polynomials from graph, we need to check that how many times the graph cuts the x-axis, that will be the number of zeroses of that polynomial (i) in this part the graph of the polynomial do not cut x-axis , so it has … Read more
exercise 1.2 Class 10 Maths 1. Prove that √5 is irrational. Sol. Let us assume to the contrary that √5 is an irrational number. So it can be written in the form of p/q where p and q are coprime integers and q is not equal to zero. √5= p/q squaring both sides (√5)² = … Read more
exercise 1.1 class 10 maths 1. Express each number as a product of its prime factors: (i) 140 140 = 2 x 2 x 5 x 7 = 2² x 5 x 7 (ii) 156 = 2 x 2 x 3 x 13 =2² x 3 x 13 (iii) 3825 = 3 x 3 x … Read more
