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if a+b+c=0 then find the value of a 2 +b 2 +c 2 /c 2 -ab. Please tell the answer

if a+b+c=0 then find the value of a2+b2+c2/c2-ab.
Please tell the answer

Grade:8

1 Answers

Arun
25763 Points
2 years ago
Dear student
 
a + b + c = 0
 
a + b = – c
 
hence (a +b)^2 =c^2
 
hence a^2 + b^2 = c^2 – 2ab
 
now coming to question
 
(c^2 – 2ab + c^2 )/ c^2 – ab = 2(c^2 – ab) /(c^2 – ab) = 2

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