Question

If the general term of an A.P is 3n + 6. find the sum of its 1st and 16th term.

Answer 1

Answer:

3n+6

3(16)+6

48+6

54

Step-by-step explanation:

thanks for point

Answer 2

Answer:

63

Step-by-step explanation:

Here , the general term of A.P is 3n+6

for 1st term

take n=1 ,we get =3*1+6=9

for 16th term

take n=16 , we get =3*16+6=54

now, the sum of 1st and 16th term = 9+54 = 63