Question

solve 》》
$(2 \sqrt{3} + 1) +(2 \sqrt{3} - 1)$
​

Answer 1

Answer:

11

Step-by-step explanation:

(2√3+1)(2√3-1)=(2√3)^2-1 [(√a+b)(√a-b)=a-b^2]

=4(3)-1

=12-1

=11