Question

(√3+√7)(√3-√7) is equal to

Answer 1

Answer:

(√3)^2-(√7)^2

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

$(\sqrt{3} + \sqrt{7} )(\sqrt{3} - \sqrt{7} )$

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

therefore,

= $\sqrt{3} ^{2} - \sqrt{7}  ^{2}$

= 3-7

= - 5 ANS...