755 prompts matching "IGCSE Additional Maths Y11: Differentiating a sum of terms — Explain It Back"
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Explaining the difference between an expression and an equation
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Negative indices as fractions
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Negative indices in algebraic fractions
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Simplifying a mixed index expression
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Rewriting different bases as the same base
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Index equations with a fractional right-hand side
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Standard form calculations using indices
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Evaluating index expressions without a calculator
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Finding an unknown exponent in an equation
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Index notation for a nested root
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Simplifying before substituting a value
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Combining several index laws in one simplification
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Index equation with equal exponents, unknown base
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Index law shortcuts for mental exam questions
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Combining index and surd notation
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What makes a number a surd
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Simplifying a surd by extracting square factors
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Squaring a surd expression
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Rationalising using the conjugate
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Surds arising from Pythagoras' theorem
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