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How to solve equations functional f(x)=f(x-1)+g(x) What f(x) satisfying in equation?

How to solve equations functional 
f(x)=f(x-1)+g(x)
What f(x) satisfying in equation?

Grade:12th pass

1 Answers

Anish Singhal
askIITians Faculty 1192 Points
5 years ago
It looks like incomplete question, though let me tell you how to approach in these type of questions, usually we replace x by 0 or 1 or -1 or sometimes x+1, x-1, it all depends on given expression and condition.

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