CourtseyDPS

Let

A=1 + x^3/3! + x^6/6! + x^9/9!..........
B=x + x^4/4! + x^7/7! + x^10/10!.........
C=x^2/2! + x^5/5! + x^8/8! + x^11/11! ............

Find the value of A^3 + B^3 + C^3 -3*A*B*C.

P.S. The judge has been enabled for this problem.

Note: a^b stands for a raised to the power b.

9 comments:

  1. This comment has been removed by a blog administrator.

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  2. also check the expression of C...it shud be x^2/2!

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  3. This comment has been removed by the author.

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  4. @guntash:
    plz. do not post any hints to the problems.

    @Akash
    thanks!

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  5. This comment has been removed by the author.

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  6. Finally I realised how easy this was :)

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  7. This comment has been removed by the author.

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  8. hey...there was no need to delete that comment...

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  9. well, i gt the soln. from guntash, so deleted the cmmnt. so that others would not have to waste their time explaining me

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