if x + 1/x+3 = 6 then find (x+3) ^2 + 1/ (x +3) ^2 =?

Question

jayesh chawla · Answer

79

Arnav Gandhi · Answer

Hi 
We have x+1/x+3 =6 
Add 3 on both sides 
we get x+3 + 1/x+3 =9 
Now  (x+3) ^2 + 1/ (x +3) ^2 = 9^2-2 = 79

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