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I need to show that: [tex]\delta(g(x)) = \sum_k \frac{\delta(x-x_k)}{|g'(x_k)|} [/tex]
where the set [tex]{x_k}[/tex] are the zeros of g(x) and [tex]g'(x_k) \neq 0 [/tex]
I'm not really sure where to start for this problem, any clues would be much appreciated!
where the set [tex]{x_k}[/tex] are the zeros of g(x) and [tex]g'(x_k) \neq 0 [/tex]
I'm not really sure where to start for this problem, any clues would be much appreciated!