if x = 2+√3,then {x+1/x} equal to
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Answer:
4
Step-by-step explanation:
x=2+√3
1/x=1/(2+√3)
={1/(2+√3)}×{(2-√3)/(2-√3)}
=(2-√3)/{(2+√3)(2-√3)}
=2-√3/(2^2-√3^2)
=(2-√3)/(4-3)
=2-√3/1
x+(1/x) =2+√3+2-√3
=4
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