a/x-a + b/x-b= 2c/x-c
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Answer:
take cross multiple
a(x-b)(x-c)+b(x-a)(x-c) -2c(x-a)(x-b)=0
a(x^2-xc-xb+bc) + b(x^2-cx-ax+ac)-(2cx-2ca)(x-b)=0
a(x^2-xc-xb+bc) + b(x^2-cx-ax+ac)-(2cx^2-2cxb-2cax+2abc)=0
by solving u can get ans
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