1.

For the following A.Ps, write the first term `a` and the common difference `d` `(i) 3, 1, -1, -3,.. ` `(ii) 1/3,5/3,9/3,13/3,...`

Answer» (i) 3, 1, -1, -3, ...
Here, first term a = 3
Common difference = 1-3= -2
(ii) `(1)/(3),(5)/(3), (9)/(3), (13)/(3), ...`
Here , first term `a=(1)/(3)`
Common difference `d=(5)/(3)-(1)/(3)=(4)/(3)`.


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