1,334 prompts matching "Quiz: The formula for the nth term of an arithmetic progression"
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WAEC Prep: Writing three simultaneous equations as a single matrix equation
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WAEC Prep: Mass, and how it differs from weight
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WAEC Prep: The three unknowns a rigid body problem usually carries
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WAEC Prep: A particle in equilibrium on a smooth inclined plane
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Explain Back: A particle hanging from two strings set at different angles
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WAEC Prep: The four conditions a binomial situation must satisfy
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Explain Back: Finding n and p from a given mean and variance
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WAEC Prep: Why the total area under the normal curve is one
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WAEC Prep: The probability that a normal variable lies below a given value
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WAEC Prep: A question whose wording hides which distribution is meant
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WAEC Prep: Choosing between a binomial and a Poisson model
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Worked Example: The continuity correction when approximating a discrete distribution
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WAEC Prep: A unit vector, and what makes it a unit
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WAEC Prep: The dot product worked out from components
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WAEC Prep: De Moivre's theorem used with a negative index
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WAEC Prep: A quadratic whose roots are 2 plus i and 2 minus i
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WAEC Prep: Solving a quadratic whose discriminant is negative
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Explain Back: Forming a quadratic equation with given complex roots
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WAEC Prep: Differentiating a constant from first principles
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WAEC Prep: Why the limit is taken as h tends to nought
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