Math, asked by mahaboobzenithunnisa, 7 months ago

2+7+12+17.....sum of the 12terms of this AP is

Answers

Answered by soumikp86

3

Answer:

hey mate here is your ans

Attachments:

Answered by shashiawasthi069

1

Step-by-step explanation:

a = 2

d = 5

n =12

S12= ?

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

S12 = 12/2[2×2+(12-1)5]

S12 = 6[4+55]

S12 = 6× 59

S12 = 354

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