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Let o+ and ox are two mathematical opera...

Let `o+` and `ox` are two mathematical operators. If `p o+ (p ox q)` is not a tautology, then `o+` and `ox` can be

A

`vv and rArr" respectively"`

B

`rArr and ^^ "respectively"`

C

`rArr and vv " respectively"`

D

None of these

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The correct Answer is:
B
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