Question

FIND THE SUM OF THE SERIES  26 18 .......... 4374 .

Answer 1

$\huge{Hey Mate!!!}$

☆☞ Here is ur answer ☜☆

✔✔ above sequence is a gp with common ratio=3

last term =4374=arn-1

sum = a(rn-1)/(r-1)

=(arn-a)/2

=(arn-1.r-a)/2

=(4374.3-2)/2

= 6560


HOPE IT HELPS!!!

Answer 2

GP with common ratio=3

last term =4374=arn-1

sum = a(rn-1)/(r-1)

=(arn-a)/2

=(arn-1.r-a)/2

=(4374.3-2)/2

= 6560

HOPE IT HELPS ✌