Question

(2+√3)(2-√3) is a rational or irrational with formula and steps
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Answer 1

Question -

$(2 + \sqrt{3} )(2 - \sqrt{3} ) \: is \: a \: rational \: or \: irrational \: numbers$

Solution -

$= (2 + \sqrt{3} )(2 - \sqrt{3} )$

$= {(2)}^{2} - (\sqrt{3} ) {}^{2}$

$= 4 - 3$

$= 1$

$therefore \: (2 + \sqrt{3} )(2 - \sqrt{3} ) \: is \: a \: rational \: number$