Math, asked by anu8851, 8 months ago

find the sum of the first 10 terms of AP 2,7 ,12............

Answers

Answered by Udayeswari

6

Answer:

Hope this answer helps you

Attachments:

Answered by MIGHTYAVENGER

5

Answer:

a = 2

d = 7-2 = 5

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

Step-by-step explanation:

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