Question

find nth term of Ap 13,7,1,-5,11....... using it find its 9th terms and 16th term​

Answer 1

Answer: here is your answer

Step-by-step explanation:

9th term is -35 and 16th term is-77

Answer 2

Answer:

a9=-35  a16= -77

Step-by-step explanation:

give : a = 13

d=7-13 = -6

a9 = a+(n-1)d

    = 13+8d

    = 13+8(-6)

    = 13+(-48)

    = 13-48

  a9  = -35

a16 = a+(n-1)d

      = 13+15d

      = 13+15(-6)

      = 13+(-90)

      = 13-90

a16 = -77