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in Arithmetic Progression by (49.2k points)
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Is -150 a term of the A.P. 11, 8, 5, 2, .....?

1 Answer

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by (50.7k points)
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Best answer

a = 11, d = - 3

An = a + (n – 1) d

-150 = 11 + (n – 1) (- 3)

-150 = 11 – 3n + 3

-150 = 14 – 3n

-164 = 3n

Since, -164 is not divisible by 3

Therefore, -150 isn’t the term of the given A.P

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