1,316 prompts matching "A pair that gives no real solution at all"
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Show all working: calculus and stationary points multi-part
I am in SS 3. Give me a multi-part Cambridge Additional Mathematics style question: part (
Learn: The union of two sets written in set-builder notation
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Spot My Mistake: De Morgan's law that the complement of a union is the intersection of the complements
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Common Mistakes: Showing that intersection distributes over union
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Worked Example: Testing whether a binary operation is closed on a given set
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WAEC Prep: Completing a Cayley table for an operation on a small set
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Show All Working: Solving an equation written in terms of a binary operation
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Spot My Mistake: Squaring a bracket that contains a surd
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Show All Working: Solving a logarithmic equation and rejecting the invalid root
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Quiz: Forming a quadratic equation whose roots are given
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Show All Working: Solving a quadratic by completing the square
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Worked Example: Evaluating a polynomial by substitution
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Show All Working: Solving a cubic equation by factorisation
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Spot My Mistake: The identity that n choose r equals n choose n minus r
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Worked Example: Solving cos x equals a negative value, and finding both solutions
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Worked Example: The equation of a circle with a given centre and radius
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Final Revision: The equation of the circle through three given points
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Show All Working: The effect on the standard deviation of adding a constant to every value
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Learn: The velocity of one body relative to another
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Show All Working: The angle at which a body just begins to slide
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