2.22 Use the complex vector x = [1 + 2i 2- i]T to demonstrate that, in a complex vector space, ( x, y) = x T y is not a valid inner product.

v2.23 Find the polynomial p(t) = t3 + a2t2 + a1t + a0 for which the integral 1=J1 i(t)dt -1 has the smallest value.