Question

Is 123 a term of the arithmetic sequence 3,8,13,18...?​

Answer 1

Answer:

\_('-')_/ yeeeeeeeeeeeeeeeee

Answer 2

Answer:

YES

Step-by-step explanation:

given, a = 3 ; d = 8-3=> 5 and an = 123

         an = a+ (n-1) d

        123 = 3 + (n-1) 5

       123 - 3 = (n-1) 5

       120/5 = n-1

       24 + 1 = n

       n = 25

Thus, 123 is the term of the given A.P.