Example 1 (ii) - Chapter 5 Class 8 Squares and Square Roots

Last updated at Dec. 16, 2024 by

Slide3.JPG

 

Go Ad-free

Transcript

Example 1 Find the square of the following numbers without actual multiplication. (ii) 42 We know that We know that 42 = 40 + 2 Now, 422 = (40 + 2)2 = 402 + 22 + 2 × 40 × 2 = 1600 + 4 + 160 = 1764

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 14 years. He provides courses for Maths, Science and Computer Science at Teachoo