Question

Answer 1

b: \(B=\sqrt{3}+1+\sqrt{3}-1\)

\(=2\sqrt{3}\)

c: \(C=\dfrac{5}{\sqrt{7}+\sqrt{2}}-\dfrac{7-\sqrt{7}}{\sqrt{7}-1}+6\sqrt{\dfrac{1}{2}}\)

\(=\sqrt{7}-\sqrt{2}-\sqrt{7}+3\sqrt{2}\)

\(=2\sqrt{2}\)