Question

answer this question​

Answer 1

Hey mate ,

Since in an AP d is same Thus we will equate the value of d from both parts .

c-b = 2b-c

2c=3b

b/c = 2/3

Thus b:c = 2:3

Hope you find it helpful!!

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Answer 2

b/c=2/3
C=3b/2

Example -

Ap = 2, 3,4.
B = 2
C = 3
2B = 4

C/B = 3/2
Hence proved