Question

the sum of the first ten terms of a geometric progression is 2046. If the common ratio is 2, find the first term and the sum of the next three terms after the tenth term

Answer 1

Answer:

if the first term is x

x (2^10-1)/(2-1) = 2046

or,(1024-1)×x = 2046

or,1023x=2046

x= 2