Let y be the topological space obtained from R³ by removing a line and a point not lying on the line. Compute 7₁(Y) and
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Let y be the topological space obtained from R³ by removing a line and a point not lying on the line. Compute 7₁(Y) and
Let y be the topological space obtained from R³ by removing a line and a point not lying on the line. Compute 7₁(Y) and H; (Y,Z) for all (hint: find a deformation retraction of Y onto a simpler space).
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