Please help in this problem its very urgent a,b,c,x,y,z >0 ,if a+b+c=x+y+z then prove that a^{2}/(y+z)+b^{2}/(x+z)+c^{2}/(x+y)=>(a+b+c)/2 I want a total proof as it is for 10 marks no book is helping me on that one
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You won't get a total proof here. You are expected to show some effort. Make an attempt and then we'll give you some guidance.
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