Check sibling questions

Example 8 - Factorise m^4 - 256 - Chapter 14 Class 9 NCERT Book


Transcript

Example 8 Factorise π‘š^4 – 256 π‘š^4 – 256 = (π‘š^2 )^2 βˆ’ γ€–(16)γ€—^2 Using π‘Ž^2 βˆ’ 𝑏^2 = (a + b) (a βˆ’ b) Here π‘Ž=π‘š^2 and b = 16 = (π‘š^2+16) (π‘š^2βˆ’16) = (π‘š^2+16) (π‘š^2 βˆ’ 4^2 ) Using π‘Ž^2 βˆ’ 𝑏^2 = (a + b) (a βˆ’ b) Here π‘Ž=π‘š and b = 4 = (π‘š^2+16) (π‘š+4) (π‘š βˆ’ 4) = (π’Ž βˆ’ πŸ’) (π’Ž+πŸ’) (π’Ž^𝟐+πŸπŸ”)

Davneet Singh's photo - Teacher, Engineer, Marketer

Made by

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.