Question

iif the first three terms of an ap are b, c and to B then find the ratio of B and C ​

Answer 1

Question:

If the first three terms of an AP are b, c and 2b then find the ratio of b and c.

Solution:

We know that if three terms of an AP are a, b and c, then,

a + c = 2b <=> b - a = c - b

Here the terms are b, c and 2b. So,

b + 2b = 2c

3b = 2c

b / c = 2 / 3

I.e., b : c = 2 : 3