Question

If x=1-√2then find (x-1/x)

Answer 1

Solution is in the attachment:

Answer 2

Answer:

2

Step-by-step explanation:

⇒x=1-√2,

⇒1/x = 1/1-√2 × 1+√2/1+√2,

⇒1/x = 1+√2/1²-(√2)²,

⇒1+√2/1-2,

⇒1/x = -(1+√2),

⇒x-1/x = 1-√2-[-(1+√2)],

⇒1-√2+1+√2,

⇒2,

So,(x-1/x)=2.

Hope it helps.