1,045 prompts matching "Rationalising a denominator of the form a plus root b using the conjugate"
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Worked Example: The identity linking alpha squared plus beta squared to the sum and product
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Explain Back: The value of alpha minus beta, all squared
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Learn: Making one unknown the subject of the linear equation
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Practice: Finding the matching value of the second unknown
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Quiz: The condition for two points of intersection
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Spot My Mistake: Finding the values of c for which a line is a tangent
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WAEC Prep: Finding the values of m for which a line cuts a curve twice
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Show All Working: The point of contact when a line touches a curve
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Worked Example: The degree of a polynomial in one variable
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Final Revision: The degree of the product of two polynomials
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Learn: Setting out the division of a cubic by a linear expression
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Common Mistakes: The degree of the quotient and of the remainder
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Final Revision: Writing the result of a polynomial division out in full
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Learn: The statement of the remainder theorem
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Quiz: The remainder on dividing by x plus 2
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Learn: The statement of the factor theorem
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Practice: Factorising a quartic as the product of two quadratics
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Spot My Mistake: Factorising the sum of two cubes
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WAEC Prep: Factorising the difference of two cubes
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Spot My Mistake: Finding the remaining roots once one is known
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