1,334 prompts matching "Teach me multiplying two complex numbers in the form a plus bi"
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Quiz: Arranging the equations in standard form before applying Cramer's rule
Act as my SS3 Further Mathematics tutor and quiz me on arranging the equations in standard
Worked Example: The identity that A times its adjoint gives the determinant times the identity
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WAEC Prep: The inverse of a 2 by 2 matrix as one over the determinant times the adjoint
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Practice: Comparing the inverse method with elimination for three equations
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Explain Back: Why the total moment about any point must be nought
I have just studied why the total moment about any point must be nought in my SS3 Further
WAEC Prep: The moment of a weight about a hinge
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Spot My Mistake: The moment of a force whose line of action is not perpendicular
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Worked Example: The moment of a force about a point on its own line of action
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Explain Back: The units of a moment, and why they are newton metres
I have just studied the units of a moment, and why they are newton metres in my SS3 Furthe
Quiz: The point about which the total moment of a set of forces vanishes
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WAEC Prep: Comparing the mean with the variance of a binomial distribution
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WAEC Prep: The mean of a binomial distribution as np
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WAEC Prep: Using the mean of a Poisson distribution to find a probability
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Explain Back: Testing whether data are Poisson by comparing mean and variance
I have just studied testing whether data are Poisson by comparing mean and variance in my
WAEC Prep: Finding the mean or the standard deviation from a given probability
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Quiz: The direction cosines of a vector in three dimensions
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WAEC Prep: The unit vector in the direction of a displacement
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Practice: The dot product as the magnitudes times the cosine of the angle
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WAEC Prep: The parameter in the vector equation of a line
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WAEC Prep: The argument measured in radians
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