Question

If a,b and care in A.P then a-b/c-b is

Answer 1

$\mathfrak{heya!!!}$

$\boxed{here\:is\:your\:answer}$

a,b,c are in A.P.

therefore

b-a=their common difference(d)

b-a=d

so a-b=-d ----(1)

and

c-b=their common difference

so c-b=d -----(2)

so

$\frac{a - b}{c -b} = \frac{ -d}{d} = - 1$

hope it helps