Check sibling questions


Transcript

Example 7 Factorise ๐‘Ž^2 โ€“ 2ab + ๐‘^2 โ€“ ๐‘^2 ๐‘Ž^2 โ€“ 2ab + ๐‘^2 โ€“ ๐‘^2 = ๐’‚^๐Ÿ+๐’ƒ^๐Ÿโˆ’๐Ÿ๐’‚๐’ƒโˆ’๐‘^2 Using (๐‘Žโˆ’๐‘)^2 = ๐‘Ž^2+๐‘^2โˆ’2๐‘Ž๐‘ = (๐‘Žโˆ’๐‘)^2 โˆ’๐‘^2 Using ๐‘ฅ^2โˆ’๐‘ฆ^2=(๐‘ฅ+๐‘ฆ)(๐‘ฅโˆ’๐‘ฆ) Here ๐‘ฅ=(๐‘Žโˆ’๐‘), y = c = ((๐‘Žโˆ’๐‘)+๐‘) ((๐‘Žโˆ’๐‘)โˆ’๐‘) = (๐’‚โˆ’๐’ƒ+๐’„) (๐’‚โˆ’๐’ƒโˆ’๐’„)

  1. Chapter 12 Class 8 Factorisation
  2. Serial order wise

About the Author

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