Math, asked by ezhumparithidass, 6 months ago

find the the sum of 102 , 97, 92,...... up to 27 terms

Answers

Answered by rvaishnovee

2

Answer:

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Answered by baladesigns2007

7

Answer:

a = 102

d = 97 - 102

= -5

n = 27

Sum = 27/2[2 X 102(27-1)-5]

= 27/2 (204 X 26-5)

= 27/2 (204 X 21)

= 27/2 (4284)

= 57834

Step-by-step explanation:

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