1,331 prompts matching "IGCSE Additional Maths Y11: Checking an answer for reasonableness — Show All Wor"
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WAEC Prep: The conditions for a particle under three forces to be in equilibrium
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Spot My Mistake: Finding two unknown tensions from three forces in equilibrium
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Spot My Mistake: When Lami's theorem may be used, and when it may not
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Quiz: The standard deviation of a Poisson distribution
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Quiz: The area under the normal curve, and what it represents
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Spot My Mistake: The proportion of a normal distribution within one, two and three standard deviations
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Spot My Mistake: Reading a probability from the standard normal table
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Quiz: The direction of a vector as an angle with the x-axis
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WAEC Prep: Using a unit vector to write a force of given size
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WAEC Prep: Adding three vectors in component form
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WAEC Prep: Adding two vectors given in component form
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WAEC Prep: The dot product used to find the work done by a force
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WAEC Prep: Three forces in equilibrium written as vectors
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Spot My Mistake: The equilibrium condition written in vector form
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Quiz: Subtracting one complex number from another
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Spot My Mistake: Dividing one complex number by another using the conjugate
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Quiz: The product of a complex number and its conjugate
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WAEC Prep: The polar form written as r cos theta plus i r sin theta
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WAEC Prep: Multiplying two complex numbers in polar form
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WAEC Prep: Converting a complex number from polar form into the form a plus bi using tables
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