775 prompts matching "Checking a conjugate answer by multiplying back"
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Spot My Mistake: Forming a new equation whose roots are the reciprocals of the original
Act as my SS3 Further Mathematics tutor. Work a question on forming a new equation whose r
WAEC Prep: Forming an equation whose roots are each two more than the original
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Quiz: Finding alpha cubed plus beta cubed
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Spot My Mistake: Forming an equation whose roots are alpha squared and beta squared
Act as my SS3 Further Mathematics tutor. Work a question on forming an equation whose root
WAEC Prep: Forming an equation whose roots are alpha over beta and beta over alpha
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Quiz: The factor theorem, and testing whether x minus a is a factor
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Spot My Mistake: The factor theorem for a divisor of the form ax minus b
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WAEC Prep: Sketching a cubic from its factorised form
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Quiz: The product of the roots of a cubic
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Spot My Mistake: The relations between roots and coefficients for a quartic
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WAEC Prep: Finding a coefficient of a cubic given one of its roots
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Quiz: Solving a quadratic inequality using a sign table
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Spot My Mistake: Showing the solution of an inequality on a number line
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WAEC Prep: Writing a solution set in interval notation
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Quiz: The number of arrangements of r objects chosen from n
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Spot My Mistake: Arrangements in which two particular objects must be kept apart
Act as my SS3 Further Mathematics tutor. Work a question on arrangements in which two part
WAEC Prep: Circular permutations of n objects round a table
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Quiz: Choosing a committee of r people from n
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Spot My Mistake: The identity that n choose r equals n choose n minus r
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WAEC Prep: Pascal's triangle and the combination numbers in it
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