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If a,b,c are the sides of a triangle and...

If `a,b,c` are the sides of a triangle and `s=(a+b+c)/2,` then prove that `8(s-a)(s-b)(s-c)lt=abc`

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The correct Answer is:
`:. (x+y) (x+z) (x+z) ge 8yz.`
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