Question

Read the question in the picture .

Answer 1

Answer:i hope you are solve using formula

Step-by-step explanation:

To find the sum of a finite geometric series, use the formula, Sn=a1(1−rn)1−r,r≠1 , where n is the number of terms, a1 is the first term and r is the common ratio .

Answer 2

Answer:

Hey mate !

your answer is attached.