1,215 prompts matching "IGCSE Additional Maths Y10: Showing that f of f inverse of x gives x back — Comm"
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Explain Back: Finding alpha squared beta plus alpha beta squared
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Spot My Mistake: Forming an equation whose roots are alpha squared and beta squared
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WAEC Prep: Forming an equation whose roots are alpha over beta and beta over alpha
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Worked Example: Evaluating a polynomial by substitution
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Quiz: The factor theorem, and testing whether x minus a is a factor
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Practice: Factorising a cubic completely once one factor is known
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WAEC Prep: Sketching a cubic from its factorised form
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Explain Back: Forming a cubic equation whose three roots are given
I have just studied forming a cubic equation whose three roots are given in my SS3 Further
Spot My Mistake: The relations between roots and coefficients for a quartic
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Learn: Solving a linear inequality, and reversing the sign on dividing by a negative
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Worked Example: Solving a quadratic inequality by sketching the parabola
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Quiz: Solving a quadratic inequality using a sign table
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Practice: Solving an inequality with the unknown in the denominator
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WAEC Prep: Writing a solution set in interval notation
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Explain Back: Arrangements in which two particular objects must stay together
I have just studied arrangements in which two particular objects must stay together in my
Spot My Mistake: Arrangements in which two particular objects must be kept apart
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Worked Example: The difference between a permutation and a combination
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WAEC Prep: Pascal's triangle and the combination numbers in it
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Learn: The Pythagorean identity, sin squared plus cos squared equals one
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Worked Example: The identities for one plus tan squared and one plus cot squared
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