Question 6:

Check whether – 150 is a term of the AP : 11, 8, 5, 2 . . .

Answer:

For this A.P.,

a = 11

d = a₂ − a₁ = 8 − 11 = −3

Let −150 be the n^th term of this A.P.

We know that,

Clearly, n is not an integer.

Therefore, −150 is not a term of this A.P.

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