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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