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Dividing a cubic polynomial by a linear polynomial. Find quotient and remainder.

The student is asked to integrate a given function. The marking algorithm differentiates the student's answer, and checks that it is equivalent to the original function.

Differentiation

Finding the derivative  of a simple polynomial function.

Show one of several blocks of text depending on the value of a question variable.

As well as a simple check for the value of a variable, the condition to display a block of text can be a complex expression in any of the question variables - in this example, depending on the discriminant of the generated quadratic.

Defines a CSS class in the preamble which styles the "Lemma" environment, used in the statement.

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Demonstrating that \$ produces a normal dollar sign.