Question

if √x=9+√5 , find √x-1/√x​

Answer 1

Step-by-step explanation:

Given x = 9 + 4√5 ⇒ √x = √[9 + 4√5]          =  √[9 + 4√5] Rationalize the denominator with its conjugate (√5 – 2)  Now Subtract equation (2) from (1), we get 

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