1,331 prompts matching "An element with no inverse under a given operation"
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Practice: Finding an unknown force from a closed polygon
Act as my SS3 Further Mathematics tutor. Give me five practice questions on finding an unk
Worked Example: Finding a particular term of a binomial expansion
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Practice: Using a binomial expansion to approximate a number
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Practice: The variance of a binomial distribution as npq
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Practice: The components of a vector given its magnitude and direction
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Quiz: The direction of a vector as an angle with the x-axis
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Practice: Equating real and imaginary parts to find two unknowns
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Quiz: A rate of change problem about a vessel filling with water
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Worked Example: Finding the first term and the common difference from two given terms
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Spot My Mistake: Partial fractions with an irreducible quadratic factor
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Solve simultaneous equations with Cramer's rule (order 2) #1
I am in SS 3. Use Cramer's rule to solve 2x + 3y = 7 and x - y = 1. Set up the coefficient
Solve a 3x3 simultaneous equation system with Cramer's rule #1
I am in SS 3. Use Cramer's rule to solve the system x + y + z = 6, 2x - y + z = 3, x + 2y
Solve simultaneous equations using an inverse matrix #2
I am in SS 3. Show me how to write 4x + y = 9 and 2x + 3y = 8 as a matrix equation, find t
Solve simultaneous equations using an inverse matrix #3
Show me how to write 3x - 2y = 4 and x + y = 6 as a matrix equation, find the inverse of t
Spot my mistake in standardising a normal variable
I am in SS 3. I tried to convert a normal distribution value to a z-score but I'm not conf
Show all working: combined binomial and normal question
I am in SS 3. Give me a Cambridge Additional Mathematics style question that has a binomia
Explain-back: my understanding of Cramer's rule
I am in SS 3. Let me explain how Cramer's rule works in my own words for a 2x2 system, the
Worked example: solving simultaneous equations with matrices
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Show All Working: Solving an equation written in terms of a binary operation
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Common Mistakes: Adding, subtracting and multiplying two polynomials
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