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2. Evaluate the indefinite integral / ex dx. A. 3ev-[(3)2 - 2(V/7) - 2] + C B. 3e VI(Vx)2 + 2( V/x) - 2 + C C. 3e Vi[(Vx)2 - 2(3) + 2 + 0 D. 30 VT[-(V.) 2 - 2( V) + 2] + C E. 3e Vi [-(Vx)2 + 2((x) + 2] + C Using appropriate trig. substitution, the integral IV81r+ + 1 dix is transformed into which of the following integrals? A. 1 34 . 2 seco tand de sec 0 B. ? tan o de C. 1 tan e de 18 sec H 1 tan & D. de 34 . 2 sec # E. (tan 0) 3/2 de 4. What is the value of A + C in the partial fraction decomposition 5x + 10 A Bx + C, (a + 1)(2 + 4) 2:2 + 4 a. -1 b. -3 C. 8 d. 6 e. 7 7. Evaluate the limit: lim 1+ 2) a. c b. 2 d. 1 e. OC