Question

If a b c are in ap or gp or hp then a-b/b-c is equal to

Answer 1

Answer:

1

Step-by-step explanation:

Gn: a, b, c are in ap

then

a-b = -d

b-c = -d

[d = common difference]

therefore, a-b/b-c = -d/-d = 1

Answer 2

a b & c are in ap

let b be p

so

a=p-d

c=p+d

a-b/b-c = p-d- p/p -(p+d)

=-d/ p-p-d

=-d/-d

= 1