find the sum of the ap:8, 3, -2.…....up to 22 terms
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a = 8
d = - 5
n = 22
Sn = n/2[2a + (n-1)(-5)]
= 22/2[2(8) + 21(-5)]
= 11 [ 16 - 105]
= 11( - 89)
= - 979
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d = - 5
n = 22
Sn = n/2[2a + (n-1)(-5)]
= 22/2[2(8) + 21(-5)]
= 11 [ 16 - 105]
= 11( - 89)
= - 979
The answer for ur question is given
Hope it helps u
Plssssssss mark me brainliest plss Plssssssss Plssssssss
FOLLOW me pllssssssssssssssssssssssssssssssssssss
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