0 0+014 (1.16) According to Gradshteyn and Ryzhik, (Tables of integrals, series and products; Enlarged edition, I. S. Gradshteyn and I. M. Rhyzik; Academic Press 1980), these definite integrals can be expressed in terms of two special functions, these denoted by B (this being the 'beta function' or 'Euler's integ