Find the sum of the series
∞∑n=11(n+1)(n+2)(n+3)⋯(n+k)
Given series
∞∑n=11(n+1)(n+2)(n+3)⋯(n+k)
=12⋅3⋅4⋯(k+1)+13⋅4⋅5⋯(k+2)+14⋅5⋅6⋯(k+3)+⋯
now how to proceed further in this pleas suggest thanks ....
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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