10 results authored by Peter Johnston - search across all users.
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Question in 1010ENG/1201SCG Complex numbers
Practice MCQ to decide which quadrant a complex number lies in.
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Question in 1010ENG/1201SCG Matrices
This question concerns the evaluation of the eigenvalues and corresponding eigenvectors of a 2x2 matrix.
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Question in 1010ENG/1201SCG Complex numbers
Practice to decide which quadrant a complex number lies in.
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Question in 1010ENG/1201SCG Complex numbers
Practice to decide which quadrant a complex number lies in.
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Question in 1010ENG/1201SCG Matrices
Putting a pair of linear equations into matrix notation and then solving by finding the inverse of the coefficient matrix.
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Question in 1010ENG/1201SCG Complex numbers
Find modulus and argument of the complex number $z_1$ and find the $n$th roots of $z_1$ where $n=5,\;6$ or $7$.
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Exam (8 questions) in 1010ENG/1201SCG Vectors
Some questions to practice your fundamental skills in vectors.
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Question in 1010ENG/1201SCG Complex numbers
Calculating complex numbers raised to an natural number exponent
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Question in 1010ENG/1201SCG Complex numbers
Calculating the square root of a complex number using De Moivre.
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Question in Peter's workspace
multiple choice testing sin, cos, tan of random(0,90,120,135,150,180,210,225,240,270,300,315,330) degrees