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The student's answer is a fraction of two polynomials. First check that the student's answer is a fraction, then check that the numerator is of the form $x+a$.

To find the script, look in the Scripts tab of part a.

Connected particle involving a pulley system - can not treat whole system as a whole due to different directions.

Some questions which use JSXGraph to create interactive graphics.

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A particle is projected up a rough plane at a given speed. Given the angle of the slope and the coefficient friction, find the distance the particle travels before it comes to instantaneous rest.

Instructions on inputting ratios of algebraic expressions.

rebelmaths

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Two particles collide. Given the masses and final speeds of the particles, as well as the impulse imparted on each, find their initial speeds.

Determine if an argument is valid or not.