1,293 prompts matching "Proving a surd statement is true or false"
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Worked Example: Finding a value from a given probability by working backwards
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WAEC Prep: When a Poisson distribution approximates a binomial one
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WAEC Prep: Choosing between a binomial and a Poisson model
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Quiz: Writing a two-dimensional vector as a column
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Practice: The components of a vector given its magnitude and direction
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Quiz: The direction cosines of a vector in three dimensions
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Practice: The magnitude of the sum of two vectors
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Worked Example: Finding the unit vector in the direction of a given vector
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Practice: A vector of stated magnitude in a given direction
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Worked Example: The position vector of the midpoint of AB
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Worked Example: The triangle law of vector addition
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Explain Back: The dot product of two perpendicular vectors
I have just studied the dot product of two perpendicular vectors in my SS3 Further Mathema
WAEC Prep: Showing a triangle is right-angled using the 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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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
WAEC Prep: The imaginary unit i, and why i squared is minus one
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Worked Example: The powers of i, and the cycle they follow
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Spot My Mistake: Dividing one complex number by another using the conjugate
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Worked Example: Squaring a complex number
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