1,317 prompts matching "Why multiplying by the conjugate clears the surd"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
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
WAEC Prep: What Cramer's rule gives when the system is inconsistent
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through what Cramer's rule
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
Quiz: Arranging the equations in standard form before applying Cramer's rule
Act as my SS3 Further Mathematics tutor and quiz me on arranging the equations in standard
WAEC Prep: The cofactor of a corner entry
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the cofactor of a
Practice: Turning a minor into a cofactor with the sign rule
Act as my SS3 Further Mathematics tutor. Give me five practice questions on turning a mino
Explain Back: Writing out the full matrix of cofactors
I have just studied writing out the full matrix of cofactors in my SS3 Further Mathematics
WAEC Prep: The adjoint of the identity matrix
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the adjoint of the
WAEC Prep: The order in which the cofactors are transposed
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the order in which
WAEC Prep: The adjoint as the transpose of the matrix of cofactors
Act as my WAEC Further Mathematics coach. I am in SS 3. Set me an exam-standard question o
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
WAEC Prep: The inverse of an inverse
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the inverse of an
Explain Back: The inverse of a diagonal matrix
I have just studied the inverse of a diagonal matrix in my SS3 Further Mathematics class.
WAEC Prep: Reading the solution off the product of the inverse and the constants
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through reading the soluti
Practice: What a singular coefficient matrix says about the equations
Act as my SS3 Further Mathematics tutor. Give me five practice questions on what a singula
WAEC Prep: When the matrix method is worth the work for three unknowns
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through when the matrix me
Quiz: Solving three simultaneous equations with the inverse matrix
Act as my SS3 Further Mathematics tutor and quiz me on solving three simultaneous equation
Practice: Comparing the inverse method with elimination for three equations
Act as my SS3 Further Mathematics tutor. Give me five practice questions on comparing the
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