Question

(4+√5) (4-√5). saw the answer of this​

Answer 1

$\Huge\mathcal{\underline{\blue{Answer\::-}}}$

$\purple{(4 + \sqrt{5} )(4 - \sqrt{5} )}$

$\hookrightarrow ({4})^{2} - {( \sqrt{5}) }^{2}$

$\hookrightarrow16 - 5$

$\green{\hookrightarrow11}$

Here's Is Ur Required Answer.

$\small\mathcal{\underline{\pink{Formula\::-}}}$

$(x + y)(x - y) = {x}^{2} - {y}^{2}$

$\Huge\mathcal{\underline{\red{Hope\:It\: Helps\:U}}}$

Answer 2

Answer:

hope it is useful

here is answer