Question

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Answer 1

Answer:

x=2-√3

1/x = 1/2-√3

after rationalising the denominator,

1/x=2+√3

x²-1/x² = (x- 1/x)(x+ 1/x)

=(2-√3 -2-√3)(2+√3+2-√3)

=(-2√3)(4)

= -8√3

Step-by-step explanation: