exam
Maths Puzzle
Numerical Ability
Hello, I need to simplify the following expression: square root of 20 divided by square root of 15. Thanks!
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exam Other Question
How exactly do you know the differences between the different conics such as ellipse, circle, parabola, and hyperbola? How do you solve them in order to graph?
Let's say a random variable 'y' is obtained from another random variable 'x' by the transformation y = ax+b where a,b are constants.
Prove 1. μy = a*μx + b
2.