Question

fill up the blanks after rationalizing the denominator​

Answer 1

Answer:

sorry don't know if I was knowing I had tell you

Answer 2

$1)\frac{1}{\sqrt{2}+1 }\frac{\sqrt{2}-1 }{\sqrt{2}-1 }\\\\=-1+\sqrt{2} \\\\\\2)1)\frac{1}{2-\sqrt{3} }\frac{2+\sqrt{3} }{2+\sqrt{3} }\\\\=2+\sqrt{3} \\\\\\3)\frac{3}{\sqrt{5}+\sqrt{3} }\frac{\sqrt{5}-\sqrt{3} }{\sqrt{5}-\sqrt{3} }\\\\=\frac{3\sqrt{5}-3\sqrt{3} }{2}$

hope it helps you