Question

AP..1,5,9,13... K term is 45 so find k value

Answer 1

Answer:

k=12

Step-by-step explanation:

$a = 1 \\ d = 4 \\ 45 = a + (n - 1)d \\ 45 = 1 + (k - 1)4 \\ (k - 1)4 = 44 \\ k - 1 = 11 \\ k = 12$

Answer 2

Answer:

K=12

Step by step explanation:

a=1

d=4

45=a+(n−1)d

45=1+(k−1)4

(k−1)4=44

k−1=11

k=12