Just an A.P.

Algebra Level 2

a b 2 c 3 , a 2 b 3 c 4 , a 3 b 4 c 5 a{ b }^{ 2 }{ c }^{ 3 },{ a }^{ 2 }{ b }^{ 3 }{ c }^{ 4 },{ a }^{ 3 }{ b }^{ 4 }{ c }^{ 5 } are in A.P find the least value of a+b+c (where a,b,c are real and positive numbers)

2 7 5 3

Kandarp Singh by Kandarp Singh , 22, India

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1 solution

Kandarp Singh
Jul 4, 2014

Use the concept of A . P ≥ G . P A.P\ge G.P

1 Helpful 0 Interesting 0 Brilliant 0 Confused

This is a G.P. Why u mention it as A.P??.

Sudipta Mukherjee - 6 years, 11 months ago

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it is an A.P

Kandarp Singh - 6 years, 11 months ago

you mean AM>GM

Mayank Holmes - 6 years, 11 months ago

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