750 prompts matching "Reading a sum written in sigma notation (IGCSE/WAEC Revision)"
WAEC pitfalls: Quoting the mean for data that contains an extreme outlier
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WAEC pitfalls: Taking the coordinates in the wrong order when finding a gradient
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WAEC pitfalls: Multiplying probabilities for events that are not independent
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WAEC pitfalls: Taking a complement without first stating the universal set
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WAEC pitfalls: Applying the cyclic property to a quadrilateral not drawn in a circle
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WAEC pitfalls: Using the equatorial radius for a parallel far from the equator
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WAEC pitfalls: Filling in a truth table column in the wrong order
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WAEC pitfalls: Treating an implication as though it worked both ways
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WAEC pitfalls: Leaving out one of the two circular faces of a frustum
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WAEC pitfalls: Leaving h in the final answer
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WAEC pitfalls: Substituting into the original function instead of the derivative
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WAEC pitfalls: Omitting to test the nature of a stationary point
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WAEC pitfalls: Substituting the numbers before differentiating
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WAEC pitfalls: Dividing by the original index instead of the new one
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WAEC pitfalls: Ignoring an area that lies below the axis
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WAEC pitfalls: Dropping the negative sign when reversing a vector
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WAEC pitfalls: Confusing a position vector with a displacement vector
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WAEC pitfalls: Writing a column vector with its components reversed
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WAEC pitfalls: Reflecting in y equals x by negating instead of swapping
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WAEC pitfalls: Dividing by a determinant of zero
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