tim max $P=\frac{(a-x)(a-y)}{a(a-b)(a-c)} +\frac{(b-x)(b-y)}{b(b-a)(b-c)}+\frac{(c-x)(c-y)}{c(c-a)(c-b)}$
biet x,y,a,b,c>0 ;x+y=1(DHSP)
tim max $P=\frac{(a-x)(a-y)}{a(a-b)(a-c)} +\frac{(b-x)(b-y)}{b(b-a)(b-c)}+\frac{(c-x)(c-y)}{c(c-a)(c-b)}$ biet x,y,a,b,c>0 ;x+y=1(DHSP)
Started By Maytroi, 22-02-2016 - 08:22
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