755 prompts matching "Explain the identity matrix"
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Worked Example: What makes two surds equal
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Worked Example: Rationalising a denominator that is a single surd
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Worked Example: Squaring both sides safely when solving a surd equation
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Worked Example: Testing a*b against b*a for a given rule
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Worked Example: Rewriting a negative index as a fraction
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Worked Example: Solving an indicial equation where one side must be factorised first
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Worked Example: Writing an index statement as a logarithm
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Worked Example: Converting a logarithm to base ten so that tables can be used
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Multiplication law of indices
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Division law of indices
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Power of a power rule
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Negative indices as fractions
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Negative indices in algebraic fractions
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Fractional indices as roots
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Fractional indices with numerator above 1
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Simplifying a mixed index expression
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Index equations with a fractional right-hand side
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Index equations reducing to a quadratic
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Standard form calculations using indices
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Simplifying bracketed algebraic index expressions
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