exam
Maths Puzzle
Numerical Ability
Find all positive values for k for which each of the following can be factored.
x(squared)+ x-k
thanks
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exam Other Question
Simplify the expression. Write the result using positive exponents only.
5^-1 + 2^-1
Find the roots of z^6=1 for z complex. Show that the sum of the roots you found is zero.