Question

Find the sum of ap 2,7,12,......to10 terms

Answer 1

Answer:245

Step-by-step explanation:

In this AP

let a=2

d=5

therefore,

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

s10=10/2(2.2+(10-1)5)

=5(4+ (9.5))

=5(4+45)

=5. 49

s10=245

hope you find this helpful!

Answer 2

Hope it helps!!:)
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