Factorise

Asked by  | 31st Jul, 2008, 04:34: PM

Expert Answer:

find (a2 - b2)3  

(a2 - b2) .(a2 - b2).(a2 - b2)=a^6-3a^4b^2+3a^2b^4-b^6

simillarly we can get (b2 - c2)3

and

(c 2- a2)3

now when we will add these three we wil get

3a^4(c^2-b^2) + 3b^4(a^2-c^2)+3c^4(b^2-a^2)

Answered by  | 5th Aug, 2008, 12:42: AM

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