Question

(root 5 + root 3) (root 5 - root 3)​

Answer 1

according to the formula,,

$(a + b)(a - b) = {a}^{2} - {b}^{2}$

$( \sqrt{5} + \sqrt{3} )( \sqrt{5} - \sqrt{3} ) \\ = 5 - 3 \\ = 2$

Hope it helps you plz mark it as Brainliest answer... thanks

Answer 2

a square - b square
your answer will be 2