Solutions to Part I Exercises - Springer

310 Appendix A Solutions to Part I Exercises > f:=x->x; f:= x -+ x > fe-x); -x The zero function, f (x) = 0 for all x, is odd and even. Exercise 2.6 Use the identity f(x) = tU(x) + f( -x)) + Hf(x) -f( -x)) to show that every function is expressible as a sum of an even function and an odd ................
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