15, 12, 9, .... are in A.P. find n + 1 term.
Answers
Answered by
1
Answer:
45n - 45. #BAL
Step-by-step explanation:
a is 15
d 3
nth term a(n-1)d
15.3n-3
45n - 45
Answered by
1
Answer:
Step-by-step explanation:
15, 12,9 ..........
ok soo apparently
a=15
d=-3
ao nth term is
a + (n-1)d
15 + (n-1)-3
15-3n+3
18-3n
is nth term
n+1
is
18-3n -3 as d is (-3)
so 15-3n
Similar questions