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Question

Is 0 a term of the A.P. 31,28,25,...? Justify.

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Solution


t1=a=31

t2=28

t2t1=2831=3 Since difference between consecutive terms is constant.

d=3 sequence is in A.P

sequence is, tn=a+(n1)d

0=31+(n1)(3)

0=313n+3 34=3n n=343=11.33

which is not an integer

0 is not a term of the following A.P

1208633_1507542_ans_782b9ac8407e4d7697f0e8e1e5c1cf18.jpg

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