If A = { 1,,2,,3,,4} ; B = { a,,b} and f is a mapping such that f:A to B , then A × B is

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2.Relations and Functions

easy

If $A = \{ 1,\,2,\,3,\,4\} $; $B = \{ a,\,b\} $ and $f$ is a mapping such that $f:A \to B$, then $A \times B$ is

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

None of these

Solution

(c) It is obvious.

Standard 11

Mathematics

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