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If, a gt b, a gt 0 , and b ne 0 , then ...

If, ` a gt b, a gt 0 , and b ne 0` , then which of the following statements is always true ?

A

` a xx b gt 0 `

B

` a xx b lt 0 `

C

` a xx b` is undefined

D

` a xx b^(2) gt 0 `

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The correct Answer is:
D
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