if x= 4+✓3,find (x +1/x)2
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Here's your answer
As we know that
( a + b ) = a² + b² + 2ab
( x + 1 / x )² = ( 2 )²
x² + 1/ x² + 2 = 4
x² + 1/ x² + 4 - 2
x² + 1x² = 2
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