{ \left( { C }_{ 96 } \right) }^{ 94 } + { \left( { C }_{ 97 } \right) }^{ 95 } + { \left( { C }_{ 98 } \right) }^{ 96 } + { \left( { C }_{ 99 } \right) }^{ 97 }
Evaluate
C_{96}^{94}+C_{97}^{95}+C_{98}^{96}+C_{99}^{97}
Differentiate w.r.t. C_96
94C_{96}^{93}
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