Question

Q#08 Find i) A.M ii) G.M & iii) H.M of the series 1+3+9+27+81+--------------+ to (n+1) terms.

Answer 1

Answer:

1

Step-by-step explanation:

each last term is getting multiplied by -3

1×-3=-3

-3×-3=9

9×-3=-27

-27×-3=81

81×-3=-243

-243×-3=729