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2.Relations and Functions
easy
જો $A = \{ 1,\,2,\,3,\,4\} $; $B = \{ a,\,b\} $ અને $f:A \to B$, તો $A \times B$ મેળવો.
A
$\{(a, 1), (3, b)\}$
B
$\{(a, 2), (4, b)\}$
C
$\{(1, a), (1, b), (2, a), (2, b), (3, a), (3, b), (4, a), (4, b)\}$
D
એકપણ નહી.
Solution
(c) It is obvious.
Standard 11
Mathematics