Question: Please show your work D To be a valid route, it must consist of a sequence of valid move. Each valid move is either

Please show your work D To be a valid route, it must

Please show your work D To be a valid route, it must consist of a sequence of valid move. Each valid move is either going to the right for one block or going down for 1 block. T d) How many valid routes from A to B if intersection D and C are closed?

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