Evaluate the Sum
S=14+1.34.6+1.3.54.6.8+⋯∞
My try: We have the n th term as
Tn=1.3.5.⋯(2n−1)4.6.8⋯(2n+2)
⟹
Tn=1.3.5.⋯(2n−1)2n×(n+1)!
Tn=(2n)!4n×n!×(n+1)!
Tn=(2nn−1)n×4n
Any clue here?
I have injection f:A→B and I want to get bijection. Can I just resting codomain to f(A)? I know that every function i...
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