If \( r \) is allowed to vary, find the value of \( r \) for which \( { }^{{ }^{n}} C_{r} \) is ... VIDEO
If \( r \) is allowed to vary, find the value of \( r \) for which \( { }^{{ }^{n}} C_{r} \) is maximum.https://bit.ly/YTAI_PWAP https://www.pw.live
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