Two marks exercise problems I — task. Mathematics State Board, Class 10.

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Check whether the following sequences are in \(A.P\).

(i) \(a - 3\), \(a - 5\), \(a - 7\), …

(ii)

\frac{1}{2}, \frac{1}{3}, \frac{1}{4}, \frac{1}{5}, ...

(iii) \(9\), \(13\), \(17\), \(21\), \(25\), …

(iv)

\frac{- 1}{3}, 0, \frac{1}{3}, \frac{2}{3}, ...

(v) \(1\), \(-1\), \(1\), \(-1\), \(1\), \(-1\), …

Did you find an error?

4. Two marks exercise problems I