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Maths Puzzle
Numerical Ability
I am not sure what to do.
(a) What is the sum of the roots of the equation ax squared + bX + c = 0
(b) What is the product of its roots?
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book Other Question
Find the domain of the function h given by
h(x)= 2x=3
_____
x^2-9
What is the vertex of this parabola? (x-4)^2=2y