if x=2+√3 find x+1/x
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Answer:
1
x+----= 4
x
Step-by-step explanation:
x =2 + √3
1 1
----= ------------
x 2+√3
1 ( 2- √3)
-----= -------------------------
x (2+ √3) (2 -√3)
1 2- √3
-----= ------------------------
X (2)^2 - (√3)^2
1 2- √3
------= -----------------
X 4 - 3
1 2-√3
-------= -----------------
X 1
1
-------= 2 - √3
x
now
1
x + ----- =(2+√3) +(2-√3)
x
= 4
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