Grade 12Algebra
if first and (2n-1)th terms of an AP, GP and HP are equal and their n th terms a,b and c respectively then- - a+c=2b
- a>=b>=c
- a+c=b
- b2=ac
if first and (2n-1)th terms of an AP, GP and HP are equal and their n th terms a,b and c respectively then-
- a+c=2b
- a>=b>=c
- a+c=b
- b2=ac
