Question

if a=-2,comon diff is -2find 4th term

Answer 1

Answer:

Given: a=-2 & comm diff(d)=-2

Now, since a n = a +(n-1)d [n is the nth term]

Therefore,a 4= -2+(4-1)(-2)

=-2+(3)(-2)

=-2-6

=-8

Hence 4th term of the AP is -6