Question

. If x = sqrt of 6 + sqrt of 5, then x^2
+1/x^2-2 =

(a) 2× sqrt of 6
(b) 2× sqrt of 5
(c) 24
(d) 20​

Answer 1

Answer:

D 20

Step-by-step explanation:

Answer 2

Answer:

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Step-by-step explanation:

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