Question

Is 68 a term of the A.P.7,10,13,... ?

Answer 1

Answer:

Step-by-step explanation:

we know that nth term=a+(n-1)d

the AP is 7,10,13........

here a is 7,d is 3

nth term is 68

68=7+(n-1)3

68-7=(n-1)3

61/3=n-1

n=64/3

∵n is not a natural no.

68 is not a term of the given AP