Question

2 term of G.P is24& fifth term is 81 ,then first term is​

Answer 1

Answer:

16, 24, 36, 54, 81, ...

Step-by-step explanation:

the fifth term of a g.p. is 81 ---> ar^4 = 81

second term is 24 -----> ar = 24

divide them:

(ar^4)/(ar) = 81/24

r^3 = 27/8

r = 3/2

then in ar=24

(3/2)a = 24

a = 16

the GP is

16, 24, 36, 54, 81, ...

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