Example 8 - Chapter 12 Class 8 Factorisation
Last updated at July 25, 2026 by Teachoo
Factorisation using identities
Last updated at July 25, 2026 by Teachoo
Transcript
Example 8 Factorise š^4 ā 256 š^4 ā 256 = (š^2 )^2 ā ć(16)ć^2 Using š^2 ā š^2 = (a + b) (a ā b) Here š=š^2 and b = 16 = (š^2+16) (š^2ā16) = (š^2+16) (š^2 ā 4^2 ) Using š^2 ā š^2 = (a + b) (a ā b) Here š=š and b = 4 = (š^2+16) (š+4) (š ā 4) = (š ā š) (š+š) (š^š+šš)