Question

if x=√5+2 , then x-1/x ​

Answer 1

Answer:

❤REFER TO THE ATTACHMENT ❤

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Answer 2

Answer:

4

Step-by-step explanation:

x=√5+2

x-1/x=(x^2-1)/x

[(√5+2)^(2)-1]\x

=[(√5)^2+4+4√5-1]/x

=5+4+4√5-1/x

=8+4√5/√5+2

=4(2+√5)/(√5+2)

=4