Math, asked by venugopal7, 6 months ago

find the sum of the first 25 terms of each of the arithmetic sequence 21,32,43....

Answers

Answered by Arohi2005

6

Answer:

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Step-by-step explanation:

21,32,43....

A=21

D=32-21=11

for 25 th term

a+24d

21+24(11)

21+264=285

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