Question

If x2 +1/x^2=27,find the value of x-1/x ​

Answer 1

Answer:

5 is correct answer follow me and marks as brainlist

Answer 2

${(x - \frac{1}{x}) }^{2} = {x}^{2} - 2 \times x \times \frac{1}{x} + \frac{1}{ {x}^{2} } \\ {(x - \frac{1}{x}) }^{2} = 27 - 2 = 25 \\ x - \frac{1}{x} = 5$

hope it helps you