# The numbers 3, x, and x + 6 form are in G.P. Find 20th term - Mathematics and Statistics

Sum

The numbers 3, x, and x + 6 form are in G.P. Find 20th term

#### Solution

r = 6/3 = 2 or r = (-3)/3 = – 1

tn = arn–1

∴ t20 = 3(219) or t20 = 3(– 1)19

∴ t20 = 3(219) or t20 = – 3

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#### APPEARS IN

Balbharati Mathematics and Statistics 2 (Arts and Science) 11th Standard Maharashtra State Board
Chapter 2 Sequences and Series
Exercise 2.1 | Q 13. (ii) | Page 28