Question

(5-2√3)(5+2√3) =

please tell ​

Answer 1

Answer:

13

Step-by-step explanation:

It is in the form (a+b)(a-b). So $(5-2\sqrt{3})(5+2\sqrt{3})$ = 25 - (4)(3) = 25 - 12 = 13. Hope it helps you.