Last updated at Dec. 16, 2024 by Teachoo
Ex 5.3, 1 What could be the possible ‘one’s’ digits of the square root of each of the following numbers? (i) 9801We know that If a number ends with 1 if square root can end with 1 or 9 ∴ Possible unit digits = 1 or 9 Rough As 1^2 = 1 9^2 = 81 √1 = 1 √81 = 9
Ex 5.3
Ex 5.3, 1 (ii) Important
Ex 5.3, 1 (iii) Important
Ex 5.3, 1 (iv)
Ex 5.3, 2 (i) Important
Ex 5.3, 2 (ii)
Ex 5.3, 2 (iii) Important
Ex 5.3, 2 (iv)
Ex 5.3, 3 Important
Ex 5.3, 4 (i)
Ex 5.3, 4 (ii)
Ex 5.3, 4 (iii) Important
Ex 5.3, 4 (iv)
Ex 5.3, 4 (v) Important
Ex 5.3, 4 (vi)
Ex 5.3, 4 (vii) Important
Ex 5.3, 4 (viii) Important
Ex 5.3, 4 (ix)
Ex 5.3, 4 (x) Important
Ex 5.3, 5 (i)
Ex 5.3, 5 (ii) Important
Ex 5.3, 5 (iii)
Ex 5.3, 5 (iv) Important
Ex 5.3, 5 (v) Important
Ex 5.3, 5 (vi)
Ex 5.3, 6 (i)
Ex 5.3, 6 (ii) Important
Ex 5.3, 6 (iii)
Ex 5.3, 6 (iv) Important
Ex 5.3, 6 (v)
Ex 5.3, 6 (vi)
Ex 5.3, 7 Important
Ex 5.3, 8
Ex 5.3, 9 Important
Ex 5.3, 10
About the Author
Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo