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Common Difference

For the A.P. ...

Question

For the A.P. $- 1.1, - 3.1, - 5.1, - 7.1, . . . . . .$ write the first term and the common difference.

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Solution

given A.P $- 1.1, - 3.1, - 5.1, - 7.1......$
common difference $= - 3.1 - (- 1.1) = - 2$

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