Math, asked by vickyvk3471, 2 months ago

18. Find the sum of first 20 terms of the arithmetic progression 3, 8, 13, ..
using the formula.

Answers

Answered by krishnendum2704

4

Answer:

Hope this will helps you

Attachments:

Answered by LABDHIJAIN02

3

Step-by-step explanation:

a=3

d=8-3=5

n=20

a25=?

an=a+(n-1)d

a20=3+(20-1)5

a20=3+(19)5

a20=3+95

a20=98

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