Sequence And Series Question 367

Question: If a, b, c are in A. P., then $ (a+2b-c)(2b+c-a)(c+a-b) $ equals

Options:

A) $ \frac{1}{2}abc $

B) abc

C) 2 abc

D) 4 abc

Show Answer

Answer:

Correct Answer: D

Solution:

[d] $ 2b=a+c, $ so the given expression is $ (a+a+c-c)(a+c+c-a)(2b-b)=4abc $



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