342 prompts matching "Factorising by grouping four terms"
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WAEC Prep: Comparing two values from different normal distributions by z-score
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Worked Example: Finding a value from a given probability by working backwards
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WAEC Prep: The probability that a normal variable exceeds the mean by more than one standard deviation
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WAEC Prep: The magnitude of a vector after multiplication by a scalar
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WAEC Prep: The dot product used to find the work done by a force
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WAEC Prep: Writing the square root of minus nine in terms of i
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WAEC Prep: Multiplying a complex number by a real number
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WAEC Prep: Dividing by a purely imaginary number
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Spot My Mistake: Dividing one complex number by another using the conjugate
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Explain Back: Raising a complex number to a power by de Moivre's theorem
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WAEC Prep: Differentiating a sum of a polynomial and a trigonometric term
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Spot My Mistake: Classifying a stationary point by the second derivative
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Worked Example: Classifying a stationary point by the sign of the gradient either side
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WAEC Prep: Integrating a polynomial divided by x
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WAEC Prep: The area under a straight line checked by a trapezium
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WAEC Prep: Finding velocity by integrating acceleration
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Learn: Finding displacement by integrating velocity
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WAEC Prep: A small percentage change estimated by calculus
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Explain Back: The greatest height reached by a body thrown upwards
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WAEC Prep: The greatest height reached by a projectile
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