. If an=5-11n then the common difference will be

Explanation:

The given general term is an=5-11n.

Common difference can be calculated by subtracting the second term from the first.

So,

a1=5-11 ×1=5-11=-6

a2=5-11 ×2=5-22=-17

Common dif ference (d)=a2-a1

=-17-(-6)

=-17+6

=-11
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