The sum of the first 19 terms of an arithmetic progression is equal to twice of the value of 10th term. The value of 10th term will be?
2026-05-11 07:15:25.1778483725
Arithmetic Progression Sum of Sequence
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Hint: For an arithmetic sequence, we have $$u_1+\dots+u_{19}=19\,\dfrac{u_1+u_{19}}2=19\,u_{10}.$$ What can you conclude from the hypothesis?