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Exercises

Every exercise from the courses, in one place. Search for a specific one, filter by subject, or let chance pick one for you.

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Flash questionsShort drills on core skills, as cards to project or print.See the series
1120 exercises

The Fibonacci sequence

Mathématiques – Suites et récurrence4 exercises
MCQIntermediate

The rule of the sequence

+8 XPStart
Short answerIntermediate

Computing a term

+8 XPStart
MCQIntermediate

The cost of naive recursion

+8 XPStart
Short answerIntermediate

Cassini's identity

+8 XPStart

Linear systems and Gaussian elimination

Mathématiques – Algèbre linéaire4 exercises
MCQIntermediate

How many solutions?

+8 XPStart
Short answerIntermediate

A 2×2 system

+8 XPStart
MCQIntermediate

Reading an echelon form

+8 XPStart
Open answerIntermediate

Fewer equations than unknowns

+8 XPStart

Invertible matrices and solving systems

Mathématiques – Algèbre linéaire4 exercises
MCQIntermediate

Invertible or not?

+8 XPStart
Short answerIntermediate

Solving with the inverse

+8 XPStart
MCQIntermediate

The inverse of a product

+8 XPStart
Open answerIntermediate

Elimination or inverse?

+8 XPStart

Vector spaces

Mathématiques – Algèbre linéaire4 exercises
MCQAdvanced

Recognising a subspace

+8 XPStart
Short answerAdvanced

The dimension of a plane

+8 XPStart
MCQAdvanced

Independent or dependent?

+8 XPStart
Open answerAdvanced

Three vectors in the plane

+8 XPStart

Linear maps

Mathématiques – Algèbre linéaire4 exercises
MCQAdvanced

Which one is not linear?

+8 XPStart
Short answerAdvanced

Computing an image

+8 XPStart
MCQAdvanced

Applying the rank-nullity theorem

+8 XPStart
Open answerAdvanced

Kernel and image of a projection

+8 XPStart

Determinants

Mathématiques – Algèbre linéaire4 exercises
MCQAdvanced

Swapping two rows

+8 XPStart
Short answerAdvanced

A 3 × 3 determinant

+8 XPStart
MCQAdvanced

The determinant of a product

+8 XPStart
Open answerAdvanced

Why det = 0 blocks inversion

+8 XPStart