Math, asked by ruthr3812, 4 months ago

find the sum of the AP
8,3,-2,...,to 22 terms​

Answers

Answered by sarayugollavilli
8

Answer:

first term [a] = 8

common difference = a2 - a1 = 3-8 = -5

sum of n terms = n/2 [ 2a +(n-1)d ]

sum of 22 terms = 22/2 [ 2(8) + (21) (-5) ]

11[ 16 - 105]

11 (-89)

-979

Answered by Anonymous
9

Answer:

your answer's in the attachment :D

in the last 2 steps :-

= -11× 89

= -979

Step-by-step explanation:

FOLLOW BACK DIRECTIONER :D

Attachments:
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