The set $A = \{ x:x \in R,\,{x^2} = 16$ and $2x = 6\} $ equals
The set $A = \{ x:x \in R,\,{x^2} = 16$ and $2x = 6\} $ equals
- A
$\phi $
- B
$\{14, 3, 4\}$
- C
$\{3\}$
- D
$\{4\}$
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