Question

10th term of the A.P. 1, 4, 7, 10,...
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Answer 1

a= 1

d= 4-1 = 3

n = 10

an = a+ ( n -1 )d

= 1 + ( 10 -1) 3

a10 = 1+ 9(3)

= 1+27

a10 = 28

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Answer 2

Answer:

thanku bhaiya ji for thanks.......