Question

18,9,9/2,...find T24 and s24​

Answer 1

Step-by-step explanation:

The given numbers are in G.P with common ratio 1/2 with first term, a = 18

T24 has to be found using nth term of a G.P formula

A n = a x r^n-1

A 24 = 18 x (1/2)^(24-1)

= 18 x (1/2)^23