Question

Frond the AP: 4,9,14 ...254 ​

Answer 1

=a+(n-1)×d

=4+(n-1)×5

=4+5n-5

=-1+5n

n=-1÷5

Answer 2

Answer:

Given

AP-4,9,14... 254

Last of tream AP is 254

Since it is been asked to find the

10th trem from and ; a=254

D=-5, n=10

an=a+(n-1)d

an=254+(10-1)(-5)

an=254-45

an=209