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Maths Puzzle
Numerical Ability
I need help with this one. Determine the equation: a hyperbola with foci (+-3,0)and x-intercepts (+-2,0). Any help is appreciated. Thanks
jp
isbn 0-201-75526-2
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book Other Question
Divide: 45a^6b^10 / 5a^3b^2
Is it 9a^3b^8?
Please help me simplify this question
9(sqrt3x) + (sqrt27x)
A)18(sqrt3x)
B)9(sqrt3x) + 3(sqrt9x)
C)9(sqrt6x)
D)12(sqrt3x)