Question

Answer the first question

Answer 1

Answer:

a=3, b=2

Step-by-step explanation:

$\frac{\sqrt{2}+1 }{\sqrt{2}-1 } = a + b\sqrt{2} \\\frac{(\sqrt{2}+1 )^{2} }{1} = a + b\sqrt{2} \\3 + 2\sqrt{2}=a+b\sqrt{2}$

Hence, by comparing the terms, we get

a = 3

b = 2

Hope you get it