7.

Question 7 Which of the following is the appropriate substitution to evaluate the given integral using trigonometric substitution? s ds $2-25 none of these s - 25sino s = 25seco D s = Stand s = 5sino s = 5sece s = 25coseWhich of the following integrals can be manually evaluated using partial fraction decomposition , based on our lecture discussions? Select ALL possible answers. For each of the chosen answer, show the corresponding set-up by attaching pictures at the bottom part of the test for full credit. 3x+ 1 A example: dx = -dx x 2 + x x+1 A x + 12 dx x 3-212+x+24 B none of these 8x - 35 C dx 25-x2 D x+6 dx x*+ 36 E 2 - X dx (x+ 6) 3 F 1+x dx 13+ 8 10 G dx 73-x2+9x - 9