Q. For real a, b and c ifย a2ย +ย b2ย +ย c2ย =ย abย +ย bcย +ย ca, then find the value ofย a+b+c2.
A) 81a2
B) 9a2
C) 243a2
D) 27a2
โ Correct Answer: 9a2
Exam Insight
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A) 81a2
B) 9a2
C) 243a2
D) 27a2
โ Correct Answer: 9a2
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