755 prompts matching "Learn: Setting out the division of a cubic by a linear expression"
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Comparing the size of two surds
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on comp
Finding the nth term of an arithmetic sequence
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Sum of the first n terms of an arithmetic series
I am in SS 1. I attempted an Additional Maths question on using the formula Sn = n/2 (2a +
Finding the nth term of a geometric sequence
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Sum of the first n terms of a geometric series
I am in SS 1. I'm going to explain using the formula Sn = a(r^n - 1)/(r - 1) to find the s
Sum of the first n odd numbers
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Equation of the perpendicular bisector of a segment
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Finding the equation of a line parallel to the x-axis or y-axis through a point
I am in SS 1. I'm going to explain finding the equation of a line through a given point th
Distance from a point to the centre of a circle
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Simultaneous equations of a line and the coordinate axes
I am in SS 1. Teach me finding the area enclosed between a straight line and the coordinat
Factorising the difference of two squares
I am in SS 1. Quiz me with 3 short Additional Maths questions on factorising the differenc
Worked Example: Why the square root of a non-square whole number is irrational
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Spot My Mistake: The decimal expansion of an irrational number, and why it never repeats
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Spot My Mistake: Dividing one surd by another
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Common Mistakes: Expanding the product of two surd brackets
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Learn: Why a surd is never left in the denominator
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Quiz: Rationalising a denominator of the form one over root 3
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Common Mistakes: Rationalising a denominator of the form root a over root b
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Worked Example: Why multiplying by the conjugate clears the surd
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Quiz: Rationalising a denominator of the form one over 2 plus root 3
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