10th term of the A.P. 1, 4, 7, 10,...
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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:
thanku bhaiya ji for thanks.......
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