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 nth 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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