1,301 prompts matching "Inserting an arithmetic mean between two numbers"
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Teach me how to find the writing the inverse of a two by two matrix with the adjugate
You are my SS3 Further Mathematics tutor. Teach me writing the inverse of a two by two mat
Teach me the normal distribution standardisation formula
I am in SS 3. Teach me how and why we standardise a normal random variable using z = (X -
Worked Example: The intersection of two overlapping sets
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Practice: The difference of two sets, A minus B
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Common Mistakes: A binary operation defined by arithmetic modulo n
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WAEC Prep: Comparing the sizes of two surds without a calculator
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Show All Working: Expressing a number in the form a root b
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Learn: The multiplication and division laws of indices used together
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Learn: The sum and the product of the roots read from the coefficients
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Learn: Finding alpha squared plus beta squared from the sum and product
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Show All Working: Finding a coefficient given a stated relation between the roots
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Learn: The degree of a polynomial and its leading coefficient
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Worked Example: The sum of the products of the roots of a cubic taken two at a time
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Practice: Finding the third root of a cubic when two are known
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Show All Working: Three roots in arithmetic progression in a cubic
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Learn: Solving a linear inequality, and reversing the sign on dividing by a negative
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Learn: The Pythagorean identity, sin squared plus cos squared equals one
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Learn: The shape, period and range of the sine curve
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Common Mistakes: Sketching two trigonometric curves on the same axes to find where they meet
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Quiz: The gradient of the line through two points
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