1,313 prompts matching "Finding n(A union B) using the formula"
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Worked example: finding the argument in the correct quadrant
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Teach me the normal distribution standardisation formula
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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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WAEC Prep: The number of elements in the union of two sets
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Explain Back: Finding the identity element of a binary operation
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Spot My Mistake: Finding the inverse of an element under a binary operation
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Explain Back: Rationalising a denominator of the form a plus root b using the conjugate
I have just studied rationalising a denominator of the form a plus root b using the conjug
WAEC Prep: The change of base formula for logarithms
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Learn: Finding alpha squared plus beta squared from the sum and product
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Practice: Finding alpha minus beta from the sum and the product
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Show All Working: Finding a coefficient given a stated relation between the roots
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Explain Back: Finding an unknown coefficient given that a stated factor divides the polynomial
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Practice: Finding the third root of a cubic when two are known
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Quiz: The compound angle formula for sine of A plus B
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Practice: The compound angle formula for cosine of A minus B
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Explain Back: The compound angle formula for tan of A plus B
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Spot My Mistake: The double angle formula for sine
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WAEC Prep: The three forms of the double angle formula for cosine
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Show All Working: The half angle formulae and the t-substitution
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