Std 10 Maths CBSE

REAL NUMBERS Exercise: 1.1 1). Express each number as a product of its prime factors: i). 140                                     iii). 156 iii). 3825                                  iv). 5005 v). 7429 solution: i). 140 Ans: 140 = 2 X 2 X 5 X 7                                    ii). 156 Ans: 156 = 2 X 2 X 2 X 2 X 13         iii). 3825 Ans: