Question

is the number 501 a term of the AP 12, 15, 18, .....? If yes, which time will it be

Answer 1

501=12+3(n-1)

489/3=n-1

163+1=n

164=n

Answer 2

Answer:

Yes. 164th term

Step-by-step explanation:

First term a = 12 and d =3

If 501 is nth term,then.

tn=a+(n-1)d =501

501=12+(n-1)×3

501=12+3n-3

501= 9+3n

501-9=3n

492=3n

492/3=n

164=n

hence,501 is in A.P

Ans:i)Yes it is a A.P

ii)164 will be it's term

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