Question

K

thterm of on AP 1, 5, 9, 13 is 45 then find the value of k.​

Answer 1

Answer:

12

Step-by-step explanation:

k'th term =45

a=1,d=4

using f formula

a+(k-1)d =k'th term

1+(k-1)4 =45

1+4k-4=45

4k=45+3

k=48÷4

k=12

Answer 2

Answer:

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