If a₁, a₂……… are in AP then a₁⁻¹, a₂⁻¹……… are in __________

Airthmetico-geometric progression

If a₁, a₂……… are in AP then a₁⁻¹, a₂⁻¹……… a

1.	If a₁, a₂……… are in AP then a₁⁻¹, a₂⁻¹……… are in __________
A.	An airthmetic sequence
B.	A geometic progression
C.	Airthmetico-geometric progression
D.	None of the mentioned
Answer» E.