Example 7 - Chapter 14 Class 8 Factorisation
Last updated at Dec. 26, 2018 by Teachoo
Example 7 Factorise π^2 β 2ab + π^2 β π^2 π^2 β 2ab + π^2 β π^2 = π^π+π^πβπππβπ^2 Using (πβπ)^2 = π^2+π^2β2ππ = (πβπ)^2 βπ^2 Using π₯^2βπ¦^2=(π₯+π¦)(π₯βπ¦) Here π₯=(πβπ), y = c = ((πβπ)+π) ((πβπ)βπ) = (πβπ+π) (πβπβπ)