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Which of the following hold good?...

Which of the following hold good?

A

`abcdgt81(s-a)(s-b)(s-c)(s-d)`where `3s=a+b+c+d`

B

`(s-a)(s-b)(s-c)(s-d)gt81` abcd where `s=a+b+c+d`

C

If `a+b+c=1`, then `8/(27abc),gt{1/a-1}{1/b=1}{1/c-1}gt8`

D

If `x+y+z=a` then
`8/27a^(3)ge(a-x)(a-y)(a-z)ge8xyz`

Text Solution

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The correct Answer is:
A, B, C, D
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