1,333 prompts matching "expand (1-x)^4 fully and use it to estimate (0.98)^4"
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Worked Example: Marking the weight, the normal reaction and the friction on a diagram
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Practice: Why the forces must sum to nought in two perpendicular directions
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Explain Back: Why the total moment about any point must be nought
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Worked Example: The moment of a force about a point on its own line of action
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Practice: Using a binomial expansion to approximate a number
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WAEC Prep: The four conditions a binomial situation must satisfy
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Explain Back: The binomial probability formula
I have just studied the binomial probability formula in my SS3 Further Mathematics class.
WAEC Prep: The Poisson formula, and what lambda stands for
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Worked Example: The probability of no events at all in a Poisson distribution
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WAEC Prep: Why the mean and the variance of a Poisson distribution are equal
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WAEC Prep: The shape and the symmetry of the normal curve
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Explain Back: Converting a value to a 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 lies below a given value
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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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Explain Back: The dot product of two perpendicular vectors
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Explain Back: The resultant of forces given as vectors
I have just studied the resultant of forces given as vectors in my SS3 Further Mathematics
Worked Example: The powers of i, and the cycle they follow
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WAEC Prep: Plotting a complex number as a point on the Argand plane
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