Slide14.JPG

  1. Chapter 14 Class 8 Factorisation
  2. Serial order wise

Transcript

Ex 14.4, 12 Find and correct the errors in the following mathematical statements. ใ€–"(z + 5)" ใ€—^2= ๐‘ง^2 + 25 Solving L.H.S : ใ€–"(z + 5)" ใ€—^2 Using ใ€–(๐‘Ž+๐‘)ใ€—^2=๐‘Ž^2+๐‘^2+2๐‘Ž๐‘ Here a = z and b = 5 = ใ€–(๐‘ง)ใ€—^2 + ใ€–(5)ใ€—^2 + 2 (z) (5) = ๐‘ง^2 + 25 + 10z = ๐‘ง^2 + 10z + 25 โˆด (๐’›+๐Ÿ“)^๐Ÿ = ๐’›^๐Ÿ + 10z + 25 is the correct statement.

About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.