Find the fourier transform of ( frac{ ^2 u}{ x^2} ) . (u (p,t) denotes the fourier transform of u(x,t)).

Find the fourier transform of ( frac{ ^2 u}{ x^2} ) . (u (p,t) denote

1.	Find the fourier transform of ( frac{ ^2 u}{ x^2} ) . (u (p,t) denotes the fourier transform of u(x,t)).
A.	(ip)<sup>2</sup> u (p,t)
B.	(-ip)<sup>2</sup> u (p,t)
C.	(-ip)<sup>2</sup> u(p,t)
D.	(ip)<sup>2</sup> u(p,t)
Answer» B. (-ip)<sup>2</sup> u (p,t)