if a+b+c=0 then find the value of a2+b2+c2/c2-ab.Please tell the answer
Shiny , 5 Years ago
Grade 8
8 grade maths> if a+b+c=0 then find the value of a 2 +b ...
1 Answers
Arun
Last Activity: 5 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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