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प्रश्न
The common difference of the A.P.
विकल्प
- \[\frac{1}{3}\]
- \[- \frac{1}{3}\]
−b
b
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उत्तर
Let a be the first term and d be the common difference.
The given A.P. is \[\frac{1}{3}, \frac{1 - 3b}{3}, \frac{1 - 6b}{3}, . . .\]
Common difference = d = Second term − First term
= \[\frac{1 - 3b}{3} - \frac{1}{3}\]
= \[\frac{- 3b}{3} = - b\]
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