Question

In an A.P. given that the first term (a) = 54, the common difference
(d)=-3 and the nth term (an) = 0, find n and the sum of first n terms (S.
of the A.P.​

Answer 1

Step-by-step explanation:

$\pi \gamma 123 + 741 = 16464676$

Answer 2

Answer:

Step-by-step explanation:

N=19

An=513