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प्रश्न
If the sequence t1, t2, t3 … is in A.P. then the sequence t6, t12, t18 … is
विकल्प
a Geometric Progression
an Arithmetic Progression
neither an Arithmetic Progression nor a Geometric Progression
a constant sequence
उत्तर
an Arithmetic Progression
Explanation;
Hint:
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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