Question

Examine (2+√2) (2-√2) rational or irrational​

Answer 1

Answer:

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

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

$4 - 2$

$2$

The result is coming 2 which is a rational number.

So, the given number is rational.

$ans. \: \: \: (2 + \sqrt{2} )(2 - \sqrt{2}) \: is \: a \: rational \: number$

Hope it helps.

Answer 2

Answer:

${2}^{2} - { \sqrt{2} }^{2} = 4 - 2 = 2 \: answer \: for \: this \: question \: \: iam \: solving \: me \: for \: this \:$

solving this question