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The sum ∑r=0m10Cr * 20Cm-r is maximum when m=1)52)103)154)20Show the steps..

Meghendra Agrawal , 6 Years ago
Grade
anser 1 Answers
Arun

Last Activity: 6 Years ago

Dear student
 
if you expand it and solve it you will get 30Cm
 
also you can use P & C that it is written as 30Cm
 
 
now this maximum when m = 30/2 = 15
 
Regards
Arun (askIITians forum xpert)

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