1,334 prompts matching "Spot my mistake dividing two complex numbers in modulus-argument form"
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Explain Back: A particle hanging from two strings set at different angles
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WAEC Prep: A lamp hanging from two wires, solved by Lami's theorem
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Learn: Finding two unknown forces by Lami's theorem
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Practice: Using a binomial expansion to approximate a number
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WAEC Prep: The most likely number of successes in n trials
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WAEC Prep: The expected number of successes in a practical problem
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WAEC Prep: The variance of a Poisson distribution over two intervals
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WAEC Prep: Comparing two values from different normal distributions by z-score
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WAEC Prep: Two vectors that are equal but drawn in different places
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WAEC Prep: Writing a two-dimensional vector in i and j form
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Quiz: Writing a two-dimensional vector as a column
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Worked Example: The distance between two points in three dimensions
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WAEC Prep: The position vector of a point dividing a line in a ratio
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WAEC Prep: The distance between two points from their position vectors
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WAEC Prep: Adding two vectors given in component form
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Explain Back: The dot product of two perpendicular vectors
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WAEC Prep: Finding the angle between two vectors from their dot product
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Worked Example: Testing two vectors for perpendicularity
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Quiz: The vector equation of the line through two given points
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Practice: Equating real and imaginary parts to find two unknowns
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