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The nth term of an AP is (7 - 4n). Find its common difference. |
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Answer» We have Tn = (7 - 4n) Common difference = T2 - T1 T1 = 7 - 4 x 1 = 3 T2 = 7 - 4 x 2 = -1 d = -1 - 3 = -4 Hence, the common difference is -4. |
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