exam
Maths Puzzle
Numerical Ability
decompose into a partial fraction
5x+7/x^2+2x-3
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exam Other Question
Is the relation {(3,2), (1,-2), (-2,2), (-5,8)} a function? I said "Yes", but now I am worndering because of the (-2,2)? does this make it not a function?
Add.
6/z-5 + 6/z+5