1,334 prompts matching "Sum and product of roots of a cubic exam question"
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Structured question: quadratic word problem about a thrown ball
I am in SS 3. Set me a structured Additional Maths word problem where the height of a thro
Subscribe to unlock allStructured question: simplifying a surd raised to a fractional index
I am in SS 3. Give me a structured question simplifying an expression that combines a surd
Subscribe to unlock allStructured question: logarithmic inequality
I am in SS 3. Set me a structured question solving a simple logarithmic inequality, and ch
Subscribe to unlock allStructured question: solving a trig equation involving a double angle
I am in SS 3. Give me a structured trigonometric equation question involving sin(2x) or co
Subscribe to unlock allStructured question: combination problem with 'at least' condition
I am in SS 3. Give me a structured combinations question with an 'at least' condition, suc
Subscribe to unlock allWorked Example: Adding two 3 by 3 matrices
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Subscribe to unlock allExplain Back: Showing that AB and BA are usually different for 2 by 2 matrices
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Subscribe to unlock allExplain Back: Keeping track of the nine entries when multiplying 3 by 3 matrices
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Subscribe to unlock allQuiz: Solving AX equals B and XA equals B by different routes
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Subscribe to unlock allQuiz: The zero matrix, and how it differs from nought in arithmetic
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Subscribe to unlock allExplain Back: The order of the answer when two matrices are multiplied
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Subscribe to unlock allQuiz: Expanding a 3 by 3 determinant along a row or column containing noughts
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Subscribe to unlock allWorked Example: Forming the determinant Dy by replacing the second column
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Subscribe to unlock allExplain Back: What a coefficient determinant of nought says about the system
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Subscribe to unlock allQuiz: Arranging the equations in standard form before applying Cramer's rule
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Subscribe to unlock allExplain Back: Writing out the full matrix of cofactors
I have just studied writing out the full matrix of cofactors in my SS3 Further Mathematics
Subscribe to unlock allExplain Back: Finding the adjoint of a 2 by 2 matrix quickly
I have just studied finding the adjoint of a 2 by 2 matrix quickly in my SS3 Further Mathe
Subscribe to unlock allWorked Example: The identity that A times its adjoint gives the determinant times the identity
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Subscribe to unlock allLearn: Swapping and negating the entries when inverting a 2 by 2 matrix
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Subscribe to unlock allExplain Back: The inverse of a diagonal matrix
I have just studied the inverse of a diagonal matrix in my SS3 Further Mathematics class.
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