find the sum of AP 8, 3, - 2 up to 22 terms
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ayan1310:
I forgot to take 2a
Your answer is wrong
Yeah i just realised
Sorry
No prob bro edit it
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Answered by
5
Answer:
Step-by-step explanation:
a=8
d=a2-a1=3-8=-5
n=22
Sn=n/2(2a+(n-1)d)
Sn=22/2(2(8)+(22-1)-5)
Sn=11(16-105)
Sn=11(-89)
Sn= -979
Hope this answer will help you
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