The case where the intersection is a unique point is often quite easy. Otherwise, computations of linear algebra will often be necessary to solve the exercise.

Attention. The condition on integer coordinates/coefficients may considerably increase the difficulty of the problem.

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- Description: find the intersection of 2 lines, 2 planes, line and plane, etc. This is the main site of WIMS (WWW Interactive Multipurpose Server): interactive exercises, online calculators and plotters, mathematical recreation and games
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