757 prompts matching "IGCSE Maths Y10: How many times an event is expected in 200 trials — Show All Wo"
Worked example: Differentiating a linear function from first principles
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Teach me: The power rule for differentiation
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Spot my mistake: Forgetting to reduce the index by one
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Worked example: Differentiating a polynomial with negative indices
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Spot my mistake: Reading the gradient off the curve instead of off the derivative
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Spot my mistake: Calling every stationary point a maximum
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Worked example: Sketching a cubic using its stationary points
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Spot my mistake: Differentiating with respect to the wrong variable
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Worked example: A ladder sliding down a wall as a related-rate problem
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Teach me: Integration as the reverse of differentiation
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Worked example: Integrating a polynomial term by term
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Spot my mistake: Subtracting the limits in the wrong order
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Teach me: A vector as a magnitude together with a direction
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Spot my mistake: Adding vectors by adding their magnitudes
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Teach me: The position vector of a point relative to the origin
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Spot my mistake: Subtracting the position vectors in the wrong order
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Worked example: Proving three points are collinear with vectors
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Spot my mistake: Adding the column vector to the wrong coordinate
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Spot my mistake: Measuring the scale factor from the wrong centre
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Spot my mistake: Multiplying matrices whose orders do not match
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