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For the following AP's, write the first ...

For the following AP's, write the first term and the common difference:
(i) `3,1,-1,-3,...`
(ii) `-5,-1,3,7,...`
(iii) `1/3,5/3,9/3,11/3......`
(iv) `0.6,1.7,2.8,3.9,...`

Text Solution

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The general form of an arithmetic progression is `a, (a + d), (a + 2d), (a + 3d),… `where a is the first term and d is a common difference.
i) `3, 1, - 1, - 3,…` are in AP
First-term, `a_1 = 3`
Common difference, `d = a_2 - a_1`
...
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