Notes

Arithmetic progression is the sequence of numbers that have a common difference (d) between any one term & the next in the sequence.

Arithmetic progression is the sequence of numbers that have a common difference (d) between any one term & the next in the sequence.
$\mathrm{For\; example,}$
$2,7,12,\dots \dots ..$
$\mathrm{here } 7–2=5$
$\mathrm{ }12–7=5$
$\mathrm{Common\; difference}=5$

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