If x=3+sqrt8, find the value of x+1/x....

If `x=3+sqrt8`, find the value of `x+1/x`.

Simplify the following 1/(2+sqrt3)+2/(sqrt5-sqrt3)+1/(2-sqrt5)
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If x=4-sqrt15 find the value of x+1/x
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If x=3+sqrt8, find the value of x+1/x.
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Find the value of 6/(sqrt5-sqrt3) is given that sqrt3=1.732 and sqrt5=...
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If x=(sqrt3+1)/2 find the value of 4x^3+2x^2-8x+7
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Prove that: 1/(3-sqrt8)-1/(sqrt8-sqrt7)+1/(sqrt7-sqrt6)-1/(sqrt6-sqrt5...
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Simplify the following (3^(1/2)xx3^(1/3))
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Simplify the following (8^(1/2))/(8^(2/3))
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Simplify the following 6^(1//2)xx7^(1//2)
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Simplify the following (49)^(1/2)
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Simplify the following 32^(2//5)
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Simplify the following 81^(-1//4)
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Simplify the following 2^(5//8)xx3^(5//8)
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Simplify the following 3^(1//4)xx5^(1//4)
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Simplify the following (16^(-1/5))^(5/2)
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Simplify the following (0.001)^(1/3)
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Simplify the following (sqrt2/5)^8divide(sqrt2/5)^(13)
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Evaluate ((25)^(3//2)xx(243)^(3//5))/((16)^(5//4)xx(8)^(4//3))
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Prove that: sqrt(1/4)+(0.01)^(-1/2)-(27)^(2/3)=3/2
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prove: (2^n+2^(n-1))/(2^(n+1)-2^n)=3/2
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