1,236 prompts matching "Expressing root 50 as a multiple of root 2"
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WAEC Prep: The imaginary unit i, and why i squared is minus one
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WAEC Prep: Adding three complex numbers
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WAEC Prep: Adding two complex numbers
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Quiz: Subtracting one complex number from another
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Practice: Equating real and imaginary parts to find two unknowns
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WAEC Prep: Multiplying a complex number by a real number
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WAEC Prep: Dividing by a purely imaginary number
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WAEC Prep: Multiplying two complex numbers
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Spot My Mistake: Dividing one complex number by another using the conjugate
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Worked Example: Squaring a complex number
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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: Multiplying two complex numbers in polar form
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WAEC Prep: Converting a complex number from polar form into the form a plus bi using tables
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Quiz: Writing a complex number in polar form
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Practice: Converting a complex number from polar form back to a plus bi
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WAEC Prep: De Moivre's theorem used with a negative index
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Explain Back: Raising a complex number to a power by de Moivre's theorem
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WAEC Prep: Solving a quadratic whose discriminant is negative
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WAEC Prep: Differentiating a constant from first principles
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