Question

$x = \sqrt{6} + \sqrt{5} \: \: find \: \: {x}^{2} + \frac{1}{ {x}^{2} } - 2$
please solve ​

Answer 1

A12345GH Step-by-step explanation:

Answer 2

Answer:

20

Step-by-step explanation:

x=√6+✓5,x^2=11+2✓30

1/x=✓6-✓5,1/x^2=11-2✓30

x^2+1/x^2-2

=20