1,326 prompts matching "Rationalising the denominator when it's a surd minus a surd"
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Quiz: Subtracting one complex number from another
Act as my SS3 Further Mathematics tutor and quiz me on subtracting one complex number from
Spot My Mistake: Dividing one complex number by another using the conjugate
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Quiz: The argument of a complex number
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Quiz: Writing a complex number in polar form
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Spot My Mistake: Deriving a multiple angle formula from de Moivre's theorem
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Quiz: The roots of a complex number shown on an Argand diagram
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WAEC Prep: A quadratic whose roots are 2 plus i and 2 minus i
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through a quadratic whose
Spot My Mistake: Classifying a stationary point by the second derivative
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Spot My Mistake: Finding the constant of integration from a given point
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Quiz: Why the power rule fails for the integral of one over x
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Quiz: A rate of change problem about a vessel filling with water
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Quiz: The time of flight of a projectile
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Quiz: Impulse as the change in momentum
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Quiz: Newton's third law, and identifying the pair of forces
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Spot My Mistake: Finding the common ratio from two given terms
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Quiz: The general term of a binomial expansion
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Spot My Mistake: Partial fractions with an irreducible quadratic factor
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Quiz: The modal class of a grouped frequency distribution
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Explain the rule of signs for determinants
Explain the checkerboard pattern of positive and negative signs used when expanding a 3x3
Explain why a matrix with zero determinant has no inverse
I am in SS 3. Explain why a matrix cannot be inverted when its determinant is zero, and gi