755 prompts matching "Simplify the surd expression 5/(1+sqrt3)"
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Applying the sum to infinity formula when the ratio lies between minus one and one
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Deciding whether a geometric series converges
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Finding a term given the sum of a series
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Deriving the geometric series sum formula
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Finding the first term or common difference from the sum formula
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Explaining the difference between a sequence and a series
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Alternating sequences and their pattern
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Finding the point of intersection of two lines
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Finding where a line crosses the x-axis and y-axis
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Finding the equation of a line parallel to the x-axis or y-axis through a point
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Finding the equation of a circle from its centre and radius
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Distance from a point to the centre of a circle
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Simultaneous equations of a line and the coordinate axes
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Finding an unknown coordinate using the gradient formula
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Finding the equation of a median of a triangle
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Factorising the sum and difference of two cubes
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Solving a linear inequality and showing the solution
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Changing the subject of a simple formula
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Changing the subject when the variable appears twice
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Worked Example: Why the square root of a non-square whole number is irrational
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