1,333 prompts matching "Checking an inverse by working the operation both ways"
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Learn: The expectation of a discrete random variable
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Learn: Finding the coefficient of a stated power in an expansion
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Practice: The variance of a binomial distribution as npq
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Learn: The standard deviation of a binomial distribution
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Learn: The mean, median and mode of a normal distribution
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Practice: The components of a vector given its magnitude and direction
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WAEC Prep: The magnitude of a vector after multiplication by a scalar
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Learn: The unit vectors i, j and k
You are my personal SS3 Further Mathematics tutor. Teach me the unit vectors i, j and k, w
Learn: Subtracting one vector from another
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WAEC Prep: The dot product used to find the work done by a force
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Practice: The dot product as the magnitudes times the cosine of the angle
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Learn: The angle between a vector and one of the axes
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Learn: The real and the imaginary parts of a complex number
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Practice: The sum of a complex number and its conjugate
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Practice: The argument of a complex number in the second or third quadrant
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Practice: The addition of complex numbers shown on an Argand diagram
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Learn: Choosing between the product rule and the quotient rule
You are my personal SS3 Further Mathematics tutor. Teach me choosing between the product r
Spot My Mistake: Classifying a stationary point by the second derivative
Act as my SS3 Further Mathematics tutor. Work a question on classifying a stationary point
Worked Example: Classifying a stationary point by the sign of the gradient either side
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WAEC Prep: The area under a straight line checked by a trapezium
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