factorise: x4y4-256z4
Asked by Prashanth Balasubramaniam | 11th Oct, 2012, 06:24: PM
Expert Answer:
Answer : Given : to factorise the equation x4y4-256z4
= x4y4-256z4
= (x2y2-16z2) (x2y2+16z2) { a2 -b2 = (a+b) (a-b) }
= (x2y2+16z2) (xy + 4z) (xy-4z) Answer {a2 -b2 = (a+b) (a-b) }
Answer : Given : to factorise the equation x4y4-256z4
= x4y4-256z4
= (x2y2-16z2) (x2y2+16z2) { a2 -b2 = (a+b) (a-b) }
= (x2y2+16z2) (xy + 4z) (xy-4z) Answer {a2 -b2 = (a+b) (a-b) }
Answered by | 11th Oct, 2012, 07:40: PM
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