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Algebra

Vishal U. Karve's Avatar
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Joined: 18 Jan 2012
Post: 147
20 Jan 2012 23:20:49 IST
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Polynomial Expansion
Mathematics

( x^2012 + x^2011 + 2)^2013  =  A0 + A1.(x) + A2.(x^2) + A3.(x^3) +.........        then     A0 - (A1/2) - (A2/2) + A3 - (A4/2) - (A5/2) + A6 ...... is equal to ____


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Vishal U. Karve's Avatar

Hot goIITian

Joined: 18 Jan 2012
Posts: 147
21 Jan 2012 12:22:16 IST
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Hey I saw the solution to this question...but everyone is welcome to try it. It is a very good question..

Bipin Dubey's Avatar

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Joined: 23 Jan 2007
Posts: 7942
22 Jan 2012 18:31:04 IST
4 people liked this

Put x=w (cube root of unity) and compare the real parts. You'll find the answer as 1.



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