In which Progression ?
Algebra
Level
3
If are in A.P, then are in ?
Harmonic Progression
Gometric Progression
Arithmetic - Geometric Progression
Arithmetic Progression
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1 solution
a b + c − 2 a , b c + a − 2 b , c a + b − 2 c are in A.P.
a b + c − 2 a + 3 , b c + a − 2 b + 3 , c a + b − 2 c + 3 are also in A.P.
a a + b + c , b a + b + c , c a + b + c are also in A.P.
a 1 , b 1 , c 1 are also in A.P.
i.e. a , b , c are in H.P.(Harmonic Progression).