1,155 prompts matching "IGCSE Additional Maths Y11: How much working a 'show that' question needs — Work"
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Solve a 3x3 system using the inverse matrix method #1
Show me how to solve the system x+y+z=6, 2x-y+z=3, x+2y-z=2 by writing it as AX=B, finding
Teach me composition of coplanar forces
I am in SS 3. Teach me what composition of forces means in mechanics and how it differs fr
Spot my mistake in a binomial probability question
I am in SS 3. I calculated P(X=3) for a binomial distribution but I think I used the wrong
Spot my mistake taking moments about a pivot
I am in SS 3. I calculated the moment of a force about a pivot but I think I used the wron
Spot my mistake using the product rule
I am in SS 3. I differentiated a product of two functions but I think I mixed up the produ
Spot my mistake in a Cramer's rule solution
I am in SS 3. I solved a pair of simultaneous equations using Cramer's rule but I'm not su
Spot my mistake finding a resultant force
I am in SS 3. I found the resultant of two forces using the cosine rule but I think I used
Spot my mistake in a Poisson probability calculation
I am in SS 3. I calculated a Poisson probability but I'm not confident about my factorial
Spot my mistake integrating a polynomial
I am in SS 3. I integrated a polynomial but I think I forgot the constant of integration o
Spot my mistake finding a vector cross product
I am in SS 3. I calculated the cross product of two 3D vectors but I'm not confident about
Spot my mistake solving a moments problem
I am in SS 3. I set up a moments equation about a pivot but I think I forgot to use a perp
WAEC Prep: The number of elements in the union of two sets
Act as my WAEC Further Mathematics coach. I am in SS 3. Set me an exam-standard question o
WAEC Prep: Completing a Cayley table for an operation on a small set
Act as my WAEC Further Mathematics coach. I am in SS 3. Set me an exam-standard question o
Common Mistakes: A binary operation defined by arithmetic modulo n
Act as my WAEC Further Mathematics coach. I am in SS 3. Show me the mistake candidates mos
WAEC Prep: Comparing the sizes of two surds without a calculator
Act as my WAEC Further Mathematics coach. I am in SS 3. Set me an exam-standard question o
Common Mistakes: Solving an equation in which the unknown sits under a root
Act as my WAEC Further Mathematics coach. I am in SS 3. Show me the mistake candidates mos
WAEC Prep: The change of base formula for logarithms
Act as my WAEC Further Mathematics coach. I am in SS 3. Set me an exam-standard question o
Common Mistakes: Solving an exponential equation using logarithms
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WAEC Prep: Forming an equation whose roots are each two more than the original
Act as my WAEC Further Mathematics coach. I am in SS 3. Set me an exam-standard question o
Common Mistakes: Proving that a quadratic expression is positive for every real x
Act as my WAEC Further Mathematics coach. I am in SS 3. Show me the mistake candidates mos