Find the infinite integrals as follows.(1) 2013 Hiroshima City University entrance exam/Informatic Science∫2−x2x2dx(2) 2013 Kanseigakuin University entrance exam/Science and Technology∫x4lnx dx(3) 2013 Shinsyu University entrance exam/Textile Science and Technology, Second-exam∫sin2xcos3x dx calculusintegrationlogarithmstrigonometrycalculus computationsIndefinite integral