Question

Find 45th term of AP -9,-4,1

Answer 1

Answer:211

Step-by-step explanation:

a = -9

n = 45

d = 5

a45 = ?

a45 = a+(n-1)d

= -9 + (45-1)5

= -9 + (44)5

= -9 + 220

a45 = 211 is the 45th term of the given AP.