Question

if x = 3-2√2, find the value of √x-1/√x​

Answer 1

Answer:

-2

Step-by-step explanation:

x=3-2√2. 1/√2-1

√x=√2-1. by rationalising

√x-1/√x. 1/√2-1*√2+1/√2+1

√2-1-1/√2-1 √2+1/4-3. √2+1

√2-1-(√2+1)

√2-1-√2-1

-2