QUESTION 4 Use integration by parts to find the integral. .In (2x + 1) dx (2x + 1) In(2x + 1) - 2x + C - (2x + 1) In(2x + 1) - x+C O xIn (2x + 1 ) - x+C O 1 (2x + 1 ) In(2x + 1 ) +x+C 2 QUESTION 5 Use integration by parts to find the integral. ( x+ 2) Inx dx (#x2 + 2x ) Inx - -x2 - 2x+ C O 1 7 -x2 Inx - 2x + C O L x 2 Inx - -x2 + 2x + C O (-x2 - 2x)Inx - -x2+2x+ C