may be progression or may not be

Algebra Level 3

Let a,b,c be nonzero real numbers such that ( a b + b c + c a ) 3 = a b c ( a + b + c ) 3 (ab +bc+ca)^3 =abc(a+b+c)^3 ,then a , b , c a,b,c are in

none of them harmonic progression geometric progression arithmetic progression

Atul Shivam by Atul Shivam , 23, India

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1 solution

Marc Ballon
Nov 3, 2015

Assigning values for a,b,c

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