find the nth term of an ap: -1, 4, 9, 14.........
Answers
Answered by
6
Answer:
Here goes the solution!
A.P : -1, 4, 9, 14, ....
a = -1
d = a2 - a1 = 4 - (-1) = 5
Tn = a + (n - 1) d
Tn = (-1) + (n - 1) 5
Tn = -1 + 5n - 5
Tn = 5n - 6
Answered by
2
Step-by-step explanation:
a = -1
d = 5
an = a+(n-1)d
an = -1+(n-1)5
an = -1+5n-5
an = 5n-6
Similar questions