1,319 prompts matching "Practice: Rationalising a denominator with a whole number multiplying the surd"
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WAEC Prep: Writing the square root of minus nine in terms of i
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through writing the square
WAEC Prep: The imaginary unit i, and why i squared is minus one
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Practice: Equating real and imaginary parts to find two unknowns
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Worked Example: Squaring a complex number
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WAEC Prep: The argument measured in radians
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WAEC Prep: The modulus and the argument taken together
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WAEC Prep: The conjugate shown on an Argand diagram
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WAEC Prep: The polar form written as r cos theta plus i r sin theta
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the polar form wri
WAEC Prep: Expanding cos of 3 theta using de Moivre's theorem
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through expanding cos of 3
WAEC Prep: The statement of de Moivre's theorem
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Spot My Mistake: Deriving a multiple angle formula from de Moivre's theorem
Act as my SS3 Further Mathematics tutor. Work a question on deriving a multiple angle form
WAEC Prep: The arguments of the n roots, spaced equally round the circle
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Learn: The cube roots of unity
You are my personal SS3 Further Mathematics tutor. Teach me the cube roots of unity, worki
WAEC Prep: The sum and product of a pair of complex roots
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Practice: Why complex roots of a real quadratic come in conjugate pairs
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Explain Back: Forming a quadratic equation with given complex roots
I have just studied forming a quadratic equation with given complex roots in my SS3 Furthe
WAEC Prep: Why the limit is taken as h tends to nought
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through why the limit is t
WAEC Prep: The definition of the derivative as a limit
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Practice: Differentiating x squared from first principles
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WAEC Prep: Differentiating a polynomial with a fractional index
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through differentiating a