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The Value Of 50c4 R16 56c3 Is

The value of \(\begin{array}{l}^{50}C_4 + \sum_{r=1}^{6} (^{56-r}C_3)\end{array} \) is: (1) 56C4 (2) 56C3 (3) 55C3 (4) 55C4 Answer: (1) 56C4 Solution: 50C4 + 55C3 +... View Article