Question

if x ² + 1/x² = 10 ,then x+ 1/x =

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Answer 1

Answer:

(x+1/x) ² = x²+ 1/x² +2

(x+ 1/x) ² = 10 +2

x+1/x = √12

Answer 2

3 option is correct.

Step-by-step explanation:

3)√12