exam
Maths Puzzle
Numerical Ability
Add and simplify:
1/x-2 - 4/x^2 + 3/x+2
Multiply and simplify:
x^2-6x+8/3x+9 multiplied by x+3/x^2-4
Divide and simplify:
y2+7y +10/2y-4 divided by y^2-3y-10/y-2
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exam Other Question
For f(x) = 1/x^2 -2x -8, find the interval(s) where f(x) < 0.
possible answers:
(-4,2)
(-2,4)
(2,4)
(2,8)
Pleeze show me. Thank you.
What is 6 square root 2 (4 square root 3 - 3 square root 8) ?