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Arithmetic Progression

Arithmetic and Geometric progressions.
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Arithmetic Progression

Postby Guest » Thu Nov 10, 2011 1:25 pm

if a,b,c are in A.P,[tex]a^{3} +4b^{3} +c^{3}[/tex] is equal to what??
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Re: Arithmetic Progression

Postby Math Tutor » Thu Nov 10, 2011 4:19 pm

It seems that something is wrong with the problem.
Are a,b,c consecutive numbers ?

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