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2.Relations and Functions
easy
माना $A = \{1, 2, 3, 4, 5\}; B = \{2, 3, 6, 7\},$ तब $ (A × B) \cap (B × A)$ में अवयवों की संख्या है
A
$18$
B
$6$
C
$4$
D
$0$
Solution
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Standard 11
Mathematics