1,334 prompts matching "A sign error in the formula, and how to catch it"
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Quiz: The direction of a vector as an angle with the x-axis
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Worked Example: The powers of i, and the cycle they follow
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Quiz: Subtracting one complex number from another
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Quiz: The product of a complex number and its conjugate
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WAEC Prep: The definition of the derivative as a limit
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WAEC Prep: The chain rule for a function of a function
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WAEC Prep: Finding the stationary points of a curve
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Quiz: Why the power rule fails for the integral of one over x
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Worked Example: The area between a curve and the x-axis
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Learn: Connected rates of change through the chain rule
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Quiz: Choosing which equation of motion to use
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WAEC Prep: The horizontal and vertical components of a projectile's velocity
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WAEC Prep: The momentum of a moving body
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Quiz: Impulse as the change in momentum
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Learn: The kinetic energy of a moving body
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Quiz: The general term of a binomial expansion
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Find the transpose of a 3x3 matrix
I am in SS 3. Give me a 3x3 matrix and ask me to write down its transpose by swapping rows
Compare expanding a determinant along different rows
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Find the inverse of a 2x2 matrix #1
Give me a 2x2 matrix like A=[[2,3],[1,4]] and ask me to find its inverse using the determi
Find the inverse of a 2x2 matrix #2
I am in SS 3. Give me a 2x2 matrix like A=[[5,-2],[3,1]] and ask me to find its inverse us