Question: If $ a=331, $ $ b=336 $ and $ c=-667, $ then the value of $ a^{3}+b^{3}+c^{3}-3abc $ is
Options:
A) 1
B) 6
C) 3
D) 0
Show Answer
Answer:
Correct Answer: D
Solution:
- Here, $ a+b+c=331+336-667=0 $
$ \therefore $ $ a^{3}+b^{3}+c^{3}=3abc $
$ \Rightarrow $ $ a^{3}+b^{3}+c^{3}-3abc=0 $