Question

(4+√3)(4-√3) pls help me to find out this

Answer 1

using

• (a+b)(a-b) = a² - b²

$(4 + \sqrt{3} )(4 - \sqrt{3} )$

$= {4}^{2} - {( \sqrt{3} )}^{2}$

$= 16 - 3$

$= \bf \: 13$

Answer 2

Answer:

(4 +√3)(4 - √3) = 16 - 3 = 13