Question
following Sequence are Arithmetic progression? If it is an A.P. then write common difference.
$-1, \frac{-3}{2},-2, \frac{-5}{2}, \ldots$
$-1, \frac{-3}{2},-2, \frac{-5}{2}, \ldots$
✓
Answer
It is an A.P., $d=\frac{-1}{2}$
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