1,045 prompts matching "How long the inverse of a 3 by 3 matrix takes, and how to shorten it"
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IGCSE Additional Maths Y11: Permutations counted by choosing first and arranging after — Common Mistakes
I am a Year 11 pupil taking Cambridge IGCSE Additional Mathematics. Show me the mistake ca
Spot my mistake with sum and product of roots
Act as my SS2 Further Maths tutor. I calculated the sum and product of the roots of 2x^2-5
Find the value of k for a line to be tangent to a curve
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Worked example: converse and inverse of a statement
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Common Mistakes: Writing down the roots once the brackets are found
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Show All Working: Choosing between factorising and the formula
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Common Mistakes: A symmetric function needing the sum and product twice over
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Show All Working: A simultaneous pair in which the second equation is a circle
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Common Mistakes: A line and a curve meeting once without the line being a tangent
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Show All Working: Synthetic division as a shorter route
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Show All Working: A remainder of nought, and what it means
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Common Mistakes: The remainder theorem applied to a quartic
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Show All Working: What the factor theorem says about the roots
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Common Mistakes: Using the factor theorem before dividing
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Show All Working: The distributive laws in logic
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Common Mistakes: Simplifying a compound statement using the laws
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Show All Working: Arrangements of boys and girls alternately
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Show All Working: A circular arrangement with one fixed seat such as the head
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Show All Working: Selecting a committee with the chairman named separately
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Show All Working: The complement rule used in a counting problem
Act as my Further Mathematics examiner. I am in SS 2. Set me a question on the complement