755 prompts matching "Spot my mistake in a Cramer's rule solution"
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Evaluating a negative fractional index
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Index laws with an unknown letter base
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Simplifying indices before adding like terms
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Multi-part index exam question with a real context
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Multiplying two surds together
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Solving a simple surd equation
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Solving a surd equation with terms on both sides
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Distinguishing rational and irrational numbers
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Rationalising the denominator when it's a surd minus a surd
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Explaining why we rationalise denominators
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Logical reasoning with 'and' versus 'or' in sets
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Interpreting neither-nor in a Venn diagram problem
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Set problem leading to a linear equation
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Finding the number of terms in an arithmetic series
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Deciding whether a geometric series converges
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Common student mistakes with progression formulas
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Finding a sequence's sum between two term numbers
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Alternating sequences and their pattern
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Midpoint of a line segment
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Equation of a line through two given points
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