1,045 prompts matching "Completing a Cayley table for an operation on a small set"
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Teach me what a complex number is
Act as my SS2 Further Maths tutor. Teach me what a complex number is, including the meanin
Worked example: solving a quadratic with complex roots
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Teach me what a vector is
Act as my SS2 Further Maths tutor. Teach me the difference between a vector and a scalar,
Explain vectors back to me
Act as my SS2 Further Maths tutor. I'll explain in my own words how to add vectors and fin
Worked example: simplify (3+2i) + (1-5i)
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Worked example: simplify (2+i)(3-4i)
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Worked example: simplify (4+3i)/(1-2i)
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Worked example: solve x^2+4x+13=0 giving the roots as complex numbers
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Worked example: find the magnitude of the vector (3,4)
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Teach me solving quadratic inequalities
Teach me how to solve a quadratic inequality like x^2-5x+6>0 using a sketch of the curve a
WAEC Prep: A quadratic with a repeated root
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Show All Working: A quadratic whose two roots are both negative
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Show All Working: Roots equal in magnitude but opposite in sign
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Show All Working: What the factor theorem says about the roots
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WAEC Prep: Factorising the difference of two cubes
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Show All Working: The distributive laws in logic
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WAEC Prep: A tautology used to justify a rule of algebra
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Show All Working: The complement rule used in a counting problem
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Show All Working: The binomial coefficients written as n choose r
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WAEC Prep: The two middle terms when n is odd
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