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Fill in the Blanks The total number of ways in which six ‘+’ and four ‘–’ signs can be arranged in a line such that no two signs ‘–’ occur together is ______
Answers (1)
. Number of ways of arrangement of six+signs is 1.
In the 7 gaps created, 4 are to be chosen for '-' signs in ways.
These signs can only be arranged in 1 way as they are identical.
Total number of ways ways
View full answer
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