Slide5.JPG

  1. Chapter 9 Class 8 Algebraic Expressions and Identities
  2. Concept wise

Transcript

Ex 9.4, 1 Multiply the binomials. (v) (2๐‘๐‘ž + 3๐‘ž^2 ) and (3๐‘๐‘ž โ€“ 2๐‘ž^2 ) (2๐‘๐‘ž + 3๐‘ž^2 )(3๐‘๐‘ž โ€“ 2๐‘ž^2 ) = 2๐‘๐‘ž(3๐‘๐‘žโˆ’2๐‘ž^2 )+3๐‘ž^2 (3๐‘๐‘žโˆ’2๐‘ž^2 ) = (2๐‘๐‘žร—3๐‘๐‘ž)โˆ’(2๐‘๐‘žร—2๐‘ž^2 )+(3๐‘ž^2ร—3๐‘๐‘ž)โˆ’(3๐‘ž^2ร—2๐‘ž^2 ) = 6๐‘^2 ๐‘ž^2โˆ’4๐‘๐‘ž^3+9๐‘๐‘ž^3โˆ’6๐‘ž^4 = ๐Ÿ”๐’‘^๐Ÿ ๐’’^๐Ÿ+๐Ÿ“๐’‘๐’’^๐Ÿ‘โˆ’๐Ÿ”๐’’^๐Ÿ’

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.