1,045 prompts matching "The inverse of a 2 by 2 matrix with a fractional determinant"
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Explain Back: Showing two statements equivalent by truth table
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WAEC Prep: The double negation law
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Common Mistakes: Simplifying a compound statement using the laws
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Worked Example: Arranging r of n objects in a line
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Spot My Mistake: Arrangements with two particular items adjacent
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WAEC Prep: Arrangements with two particular items not adjacent
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Explain Back: Circular arrangements with two people kept apart
I have just studied circular arrangements with two people kept apart in my SS2 Further Mat
Spot My Mistake: Arrangements round a table with men and women alternating
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WAEC Prep: Beads on a necklace, and why the count halves
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Quiz: Selecting from two groups at the same time
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Explain Back: Probability with replacement and without replacement
I have just studied probability with replacement and without replacement in my SS2 Further
Spot My Mistake: The probability that a committee contains a given person
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Quiz: Expanding a bracket to the power four using Pascal's triangle
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Spot My Mistake: Expanding a bracket with a minus sign inside it
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WAEC Prep: Expanding a bracket with a coefficient on x
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Common Mistakes: The link between Pascal's triangle and combinations
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Quiz: Finding the term in x cubed
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Spot My Mistake: The middle term when n is even
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WAEC Prep: The two middle terms when n is odd
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Common Mistakes: The general term when one term in the bracket is negative
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