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In a conference 10 speakers are present....

In a conference 10 speakers are present. If `S_1` wants to speak before `S_2a n dS_2` wants to speak after `S_3,` then find the number of ways all the 10 speakers can give their speeches with the above restriction if the remaining seven speakers have no objection to speak at any number.

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To solve the problem, we need to find the number of ways the 10 speakers can give their speeches under the given restrictions. Let's break it down step by step. ### Step 1: Identify the restrictions We have the following restrictions: - Speaker S1 must speak before Speaker S2. - Speaker S2 must speak after Speaker S3. This means the order of the speakers must be S1, S2, and S3 in that specific sequence. ...
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