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Engineering, 06.09.2021 15:50 adrian128383

DVC Three molecules of type A, four of type B, three of type C and five of type D are to be linked together to form a chain molecu
such chain molecule Is ABDDABADCBDCCDB.
How many such chain molecules can be formed in such a way that the molecules on either ends are type D? (Answer]

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DVC Three molecules of type A, four of type B, three of type C and five of type D are to be linked...
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