1,317 prompts matching "Why multiplying by the conjugate clears the surd"
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WAEC Prep: Why one component vanishes when the direction is chosen well
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through why one component
WAEC Prep: The forces on a body suspended by a single string
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the forces on a bo
Practice: Why the forces must sum to nought in two perpendicular directions
Act as my SS3 Further Mathematics tutor. Give me five practice questions on why the forces
Explain Back: Why the total moment about any point must be nought
I have just studied why the total moment about any point must be nought in my SS3 Further
Spot My Mistake: Why friction does not depend on the area of contact
Act as my SS3 Further Mathematics tutor. Work a question on why friction does not depend o
Explain Back: The units of a moment, and why they are newton metres
I have just studied the units of a moment, and why they are newton metres in my SS3 Furthe
WAEC Prep: A lamp hanging from two wires, solved by Lami's theorem
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through a lamp hanging fro
Spot My Mistake: Why the probabilities in a distribution must sum to one
Act as my SS3 Further Mathematics tutor. Work a question on why the probabilities in a dis
WAEC Prep: Why the mean and the variance of a Poisson distribution are equal
Act as my WAEC Further Mathematics coach. I am in SS 3. Set me an exam-standard question o
Explain Back: Testing whether data are Poisson by comparing mean and variance
I have just studied testing whether data are Poisson by comparing mean and variance in my
WAEC Prep: Why the total area under the normal curve is one
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through why the total area
WAEC Prep: The probability that a normal variable exceeds the mean by more than one standard deviation
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the probability th
WAEC Prep: The magnitude of a vector after multiplication by a scalar
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the magnitude of a
WAEC Prep: The dot product used to find the work done by a force
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the dot product us
WAEC Prep: Why the square root of a negative number needs i
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through why the square roo
WAEC Prep: The imaginary unit i, and why i squared is minus one
Act as my WAEC Further Mathematics coach. I am in SS 3. Set me an exam-standard question o
WAEC Prep: The conjugate of a purely imaginary number
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the conjugate of a
WAEC Prep: The conjugate of a product of two complex numbers
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the conjugate of a
WAEC Prep: The conjugate of a complex number, and how it is written
Act as my SS3 Further Mathematics examiner. Set me an exam-standard question on the conjug
Quiz: The product of a complex number and its conjugate
Act as my SS3 Further Mathematics tutor and quiz me on the product of a complex number and