Math, asked by ffnoobgamer6, 2 months ago

Find the sum of the following A.Ps a) 25+28+31+_ _ _ +100

Answers

Answered by manya749

1

Answer:

a=25

d=a2-a1

d=28-25

d=3

n=100

Sn=n/2(2a+(n-1)d)

=100/2(2x25+(100-1)3)

=50(50+297)

=50x347

=17350

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