Math, asked by ktiwana1616, 11 months ago

Find the sum ofAp 25,28,13-------------------100

Answers

Answered by laksh6773

1

Answer:

a is 25

d is 3

l is 100

l = a + (n -1)d

through this take out the value of n

then use,

sum =n/2(a + l)

from this equation you will get the sum

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