1,315 prompts matching "Proving the sum formula by pairing the terms"
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WAEC Prep: The determinant of a matrix with a row of noughts
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the determinant of
WAEC Prep: The determinant of the identity matrix
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the determinant of
Learn: The effect on a determinant of swapping two rows
You are my personal SS3 Further Mathematics tutor. Teach me the effect on a determinant of
Explain Back: The determinant of a product as the product of the determinants
I have just studied the determinant of a product as the product of the determinants in my
WAEC Prep: Setting out the coefficient determinant for two simultaneous equations
Act as my WAEC Further Mathematics coach. I am in SS 3. Set me an exam-standard question o
WAEC Prep: The determinant Dz in a system of three unknowns
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the determinant Dz
Explain Back: What a coefficient determinant of nought says about the system
I have just studied what a coefficient determinant of nought says about the system in my S
WAEC Prep: The minor of an entry of a 3 by 3 matrix
Act as my WAEC Further Mathematics coach. I am in SS 3. Set me an exam-standard question o
Explain 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
Spot My Mistake: Finding the adjoint of a 3 by 3 matrix
Act as my SS3 Further Mathematics tutor. Work a question on finding the adjoint of a 3 by
Worked Example: The identity that A times its adjoint gives the determinant times the identity
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on the id
Learn: Swapping and negating the entries when inverting a 2 by 2 matrix
You are my personal SS3 Further Mathematics tutor. Teach me swapping and negating the entr
Quiz: Checking an inverse by multiplying to get the identity
Act as my SS3 Further Mathematics tutor and quiz me on checking an inverse by multiplying
WAEC Prep: How long the inverse of a 3 by 3 matrix takes, and how to shorten it
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through how long the inver
Learn: The order of the steps in inverting a 3 by 3 matrix
You are my personal SS3 Further Mathematics tutor. Teach me the order of the steps in inve
Explain Back: Solving two simultaneous equations by multiplying by the inverse
I have just studied solving two simultaneous equations by multiplying by the inverse in my
Worked Example: Checking the solution of three equations by substitution
Act as my SS3 Further Mathematics tutor. Take me through one full worked example on checki
WAEC Prep: A particle, and what the word assumes
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through a particle, and wh
WAEC Prep: A rigid body, and what the word assumes
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through a rigid body, and
WAEC Prep: Summing the components of several concurrent forces
Act as my WAEC Further Mathematics coach. I am in SS 3. Set me an exam-standard question o