... = x ln x − x + C dv = dx v=x )dx = x ln(7 x5 ) – ∫ x dx x = x ln(7 x5 ) – x + C Instructor Solutions Manual © 2007 Pearson Education, Inc., Upper Saddle River, NJ All rights reserved This material... )1/ t4 6(7 – 3t )1/ – t3 t4 dt = + (7 – 3t )1/ + C 1/ ∫ (7 – 3t )1/ 6(7 – 3t ) Instructor Solutions Manual © 2007 Pearson Education, Inc., Upper Saddle River, NJ All rights reserved This material... – r cos r + r sin r – ∫ sin r dr = – r cos r + 2r sin r + cos r + C Section 7.2 Instructor Solutions Manual © 2007 Pearson Education, Inc., Upper Saddle River, NJ All rights reserved This material