Maths urgent question
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Maths urgent question

[From: ] [author: ] [Date: 11-10-23] [Hit: ]
b and c with 1, 2 and -3.This gives 1/7 + 4/7 + 9/7 ,Therefore, the answer is 2!!......
If a + b + c =0,, then the value of a^2/a^2 - bc + b^2/ b^2 - ca + c^2/C^2 - ab is

A) 4
B)2
C) 1
D)0

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Lets take a=1, b=2, c=-3.
So, a+b+c=0.
Now, substitute a,b and c with 1, 2 and -3.
1/1+6 + 4/4+3 + 9/9-2
This gives 1/7 + 4/7 + 9/7 , which is 14/7
Therefore, the answer is 2!!

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0
1
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