755 prompts matching "Rationalising a denominator of the form a plus root b using the conjugate"
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Sum of the first n odd numbers
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Finding the equation of a circle from its centre and radius
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Learn: Simplifying root 72 into its simplest form
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Show All Working: Finding a and b when a plus b root 2 equals a given surd
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Comparing the size of two large index numbers
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Reviewing all the laws of indices before a test
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Estimating the value of a surd
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Rationalising and then simplifying fully
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Working with cube roots as a type of surd
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Applying the sum to infinity formula when the ratio lies between minus one and one
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Finding the first term or common difference from the sum formula
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Equation of the perpendicular bisector of a segment
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Distance from a point to the centre of a circle
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Factorising the difference of two squares
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Factorising the sum and difference of two cubes
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Common Mistakes: Expressing root 50 as a multiple of root 2
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Learn: Why a surd is never left in the denominator
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Worked Example: Rationalising a denominator that is a single surd
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WAEC Prep: Rationalising a denominator inside a larger expression
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Final Revision: Evaluating a numerical expression using the index laws
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