book Maths Puzzle Numerical Ability

Dear Tutor,

Is the reduction of (8x+4y)/2xy
4/y + 2/x

Thank you for your help.

Denis

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book Other Question

find the exact value, leaving the answer in a proper form of tan 240 degrees. (((((((Find the rationalroots of f. List any irrational roots correct to two decimal places f(x)=x^4-3x^3-4x^2=18x-12))))))))