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1.Set Theory
medium
माना $A = \{ (x,\,y):y = {e^x},\,x \in R\} $, $B = \{ (x,\,y):y = {e^{ - x}},\,x \in R\} .$ तब
A
$A \cap B = \phi $
B
$A \cap B \ne \phi $
C
$A \cup B = {R^2}$
D
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Solution
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Standard 11
Mathematics