Question

Geometric sequence of positive terms in which its first term equal 4 times its third term and the sum of its second term ,fifth term is 36 ..Find The G.s .....

Answer 1

\(\Large \color{MidnightBlue}{\Rightarrow S_{g}= A{1 - r^n \over 1-r} }\)

Answer 2

@ParthKohli : What is Sg ?????

Answer 3

Sum of a geometric sequence

Answer 4

:P

Answer 5

@ParthKohli :And whats da function of this rule ,and how can i use it here ?!

Answer 6

A is the first term.

Answer 7

r is the common ratio, n is the number of terms.

Answer 8

i know :D

Answer 9

whats da benefit from getting the sum of geo.sequence ?

Answer 10

Wait, what does G.s mean?

Answer 11

Geometric sequence or sum?

Answer 12

its Geometric sequence ..