Question

Which term of the A.P. 100,84,68,..........is-108

Answer 1

a = 100 , d = 84-100 = -16

an = -108

by using formula

an = a+(n-1)d = -108

100+(n-1)(-16) = -108

(n-1)(-16) = -208

n-1 = 208/16 = 13

n-1 = 13

n = 14

so,

14th term of AP is - 108

Answer 2

hi

the answer is 13 th term