Find the sum of the first 22 terms of the Ap: 8,3,-2.....
Answers
Answered by
20
Answer:
Hey mate
I will help u
Answer
-979
Step-by-step explanation:
.
Here
a= 8
d= 3-8=5
n=22
Therefore by using the formula
S= 22/2(16+21*-5)
= 11(16-105)
=11 ( - 89)
S22= - 979[/tex]
Hp
Answered by
3
Answer:
first term = 8
common difference = 3-8
=-5
S22= n/2[2a + (n-1).d]
= 22/2[ 2.8 + (22-1).-5]
11[16+21*-5]
11[ 16-105]
11[ -89]
-979
S22= -979
hope it will help you
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