exam Maths Puzzle Numerical Ability

please simplify:

4 over ax+ay-bx-by minus 3 over a-b...all of this OVER

2 over a-b plus 2 over x^2 + xy

so it should look like:

4.....................3
-------- minus

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exam Other Question
(1-radical 2) (4+3 radical 5)



and


radical x+3= radical 5-x Make a table and graph x+y=1.