1,334 prompts matching "find the coefficient of x^4 in the expansion of (1+3x)^7"
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Show that a geometric series converges and find its sum to infinity
I am in SS 3. Give me a structured question where I must first show a given geometric seri
Give me exam-technique advice for running out of time
I am in SS 3. Give me practical Additional Maths exam-technique advice for what to do if I
Compare WAEC and Cambridge phrasing for the same topic
I am in SS 3. Pick one topic covered so far and show me how a WAEC Further Maths question
Structured question: sum of a series expressed using sigma notation
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Quiz me on choosing the correct method for a quadratic
I am in SS 3. Quiz me by giving me five different quadratic equations and asking me, befor
WAEC Prep: Subtracting one 2 by 2 matrix from another
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WAEC Prep: Raising a 2 by 2 matrix to the third power
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WAEC Prep: Multiplying a 3 by 3 matrix by the identity matrix
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WAEC Prep: The difference between pre-multiplying and post-multiplying by a matrix
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WAEC Prep: The identity matrix, and what it does in a product
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Quiz: The zero matrix, and how it differs from nought in arithmetic
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Learn: Deciding whether a stated matrix calculation is possible at all
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WAEC Prep: Expanding a 3 by 3 determinant along the first row
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Spot My Mistake: Forming the determinant Dx by replacing the first column
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Worked Example: Forming the determinant Dy by replacing the second column
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WAEC Prep: What Cramer's rule gives when the system is inconsistent
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Quiz: Arranging the equations in standard form before applying Cramer's rule
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Worked Example: The identity that A times its adjoint gives the determinant times the identity
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Learn: Swapping and negating the entries when inverting a 2 by 2 matrix
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Quiz: Checking an inverse by multiplying to get the identity
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