A function f) satisfies the differential equation d 0f=-8(x- a), where o s positve dx the fourier transform f(k) = dxe f() off, and the solution of the equation

A function f) satisfies the differential equation d 0f=-8(x- a), where o s positve dx The Fourier transform f(k) = dxe f() off, and the solution of the equation are, respectively e and (eo-a ea 20 and e - 20 () )F+o 2)+o ) and (ei-al+ex-al) 20 ( d--) and 2i0