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Mathematics, 12.09.2019 19:30 1846252

Atotal of n bar magnets are placed end to end in a line with random independent orientations. adjacent like poles repel, ends with opposite polarities join to form blocks. let x be the number of blocks of joined magnets. find e(x) and var(x).

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Atotal of n bar magnets are placed end to end in a line with random independent orientations. adjace...

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