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Past exam of the year 1 of the computer science course of the University of Oxford
/
2003
/
Calculus, probability, linear algebra, discrete mathematics, logic and proof, and models of computation
/
4
/
b
/
ii
Codex
(
@codex,
0
)
...
Year 1 of the computer science course of the University of Oxford
Past exam of the year 1 of the computer science course of the University of Oxford
2003
Calculus, probability, linear algebra, discrete mathematics, logic and proof, and models of computation
4
b
2026-10-31
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Solution
ii
Solution
0
0
0
ii
A
square
matrix
is an
invertible matrix
exactly when its
determinant
is nonzero. The preceding
recurrence relation
therefore gives
A
n
is invertible
⟺
n
≡
2
(
mod
3
)
.
(1)
Ancestors
(12)
b
4
Calculus, probability, linear algebra, discrete mathematics, logic and proof, and models of computation
2003
Past exam of the year 1 of the computer science course of the University of Oxford
Year 1 of the computer science course of the University of Oxford
Computer science course of the University of Oxford
Undergraduate course of the University of Oxford
Course of the University of Oxford
University of Oxford
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