Question

If x is equal to root 5 + 2 find x minus one by X

Answer 1

Step-by-step explanation:

x =√5+2

x-1/x = (√5+1)/(√5+2)

Answer 2

ans is 3-√5

x= √5+2

x-1/x= √5+2-1/√5+2

√5+1/√5+2×√5-2/√5-2

= 5+√5-2√5-2/√5^2-2^2

= 3-√5