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If a and b be two real numbers and b > 0...

If a and b be two real numbers and b > 0. then which one of the followings is false ?

A

`a^(2) gt b^(2) iff a gt b`

B

`a^(2) gt b^(2) iff a gt b or a lt -b `

C

` a. b gt 0 iff a gt 0`

D

`a .b lt 0 iff alt 0`

Text Solution

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The correct Answer is:
A
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