Question

5,2,-1 ....... -31 find n term from last {AP}

Answer 1

Answer:

Step-by-step explanation:

tn=5

a=-31

d=3

TN=a+(n-1)*d

5=-31+(n-1)*3

36/3=n-1

n-1=12

n=13

Answer 2

Answer:

13 .................