Slide4.JPG

Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class


Transcript

Ex 5.3, 1 What could be the possible ‘one’s’ digits of the square root of each of the following numbers? (iv) 657666025We know that If a number ends with 5 if square root can end with 5 ∴ Possible unit digits = 5 Rough 5^2 = 25 15^2 = 125 ∴ √25 = 5 √125 = 15

Ask a doubt
Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.