1.

PDeltaQ=P+Q, if PQ lt0 PDeltaQ=P-Q, if PQ gt0 If (a Deltab)Delta(aDelta-b)=0 and a gt0 then which of the following is true?

Answer»

`a LT B and b gt0`
`|a| GT |b| and b lt 0`
`a gt b and b gt 0`
all of these

Answer :D


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