JEE Main & Advanced
Mathematics
Sequence & Series
Question Bank
Self Evaluation Test - Sequences and Series
question_answer
Consider the sequence \[8A+2B,\text{ }6A+B,\text{ }4A,\,\,2A-B,........\] Which term of this sequence will have a coefficient of A which is twice the coefficient of B?
A)10th
B)14th
C)16th
D)None of these
Correct Answer:
D
Solution :
[d] \[8+(n-1)(-2)=2(2+(n-1)(-1))\] \[\Rightarrow 10=6\] which is absurd