exam
Maths Puzzle
Numerical Ability
Can somebody please help me?
2. What three techniques can be used to solve a quadratic equation? Demonstrate these techniques on the equation "12x2 - 10x - 42 = 0".
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exam Other Question
(20x^4-2x^3+5x+3)/(2x-3). I understand how to divide polynomials, but this equation stumped me. Could you provide me direction?
Some managers are to be selected from a group of 30 to work on a special project.
a. In how many ways can 3 managers be selected?
b. In how many ways can a nonempty group of at most 3 managers be selected from the 30 managers?