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[" Itisgiven that "],[qquad [" 8.If "x=3...

[" Itisgiven that "],[qquad [" 8.If "x=3+sqrt(8)," find the value of "x^(2)+(1)/(x^(2))],[" 9.Find the value of "(6)/(sqrt(5)-sqrt(3))" ,it being given that "]]

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