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Mathematics

The first term and the common difference of an A.P. are 8 and -5 respectively. The A.P. is :

  1. 8, 13, 18, 23, 28, ………

  2. 8, 3, -2, -7, …….

  3. -5, 3, 11, 19, 27, ……..

  4. -5, -13, -21, -29, …….

AP GP

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Answer

Given,

First term (a) = 8

Common difference (d) = -5

A.P. is given by a, a + d, a + 2d, a + 3d, ……….

⇒ 8, 8 + (-5), 8 + 2(-5), 8 + 3(-5), ………

⇒ 8, 8 - 5, 8 - 10, 8 - 15, ……..

⇒ 8, 3, -2, -7, ……..

Hence, Option 2 is the correct option.

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