Question

If x= √5-2 find the value of [x-1/x]​

Answer 1

Step-by-step explanation:

If x = √5 - 2. Find the value of ( x - \dfrac{1}{x} )² .

To Find:-

The value of ( x - \dfrac{1}{x} )² .

Note:-

●》Here, ( a - \dfrac{1}{a} )² = a² + \dfrac{1}{a²} - 2

●》( a - b )² = a² + b² - 2ab.