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+1 vote
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in Numbers and Sequences by (47.6k points)
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If the sequence t1, t2, t3 … are in A.P. then the sequence t,t12 ,t18 … is 

(1) a Geometric Progression 

(2) an Arithmetic Progression 

(3) neither an Arithmetic Progression nor a Geometric Progression 

(4) a constant sequence

1 Answer

+1 vote
by (47.9k points)
selected by
 
Best answer

(2) an Arithmetic Progression

If t1, t2, t3, … is 1, 2, 3, …

If t6 = 6, t12 = 12, t18 = 18 then 6, 12, 18 … is an arithmetic progression

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