Question
Thu October 11, 2012 By: Prashanth Balasubramaniam

factorise: x4y4-256z4

Expert Reply
Thu October 11, 2012
Answer : Given :  to factorise the equation x4y4-256z4  
 
= x4y4-256z4
= (x2y2-16z2) (x2y2+16z2)   { a-b= (a+b) (a-b) }
(x2y2+16z2) (xy + 4z) (xy-4z) Answer {a-b= (a+b) (a-b) }
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