Below are the answers key for the Multiple Choice Questions in Calculus Part 6.

251. c. 17/3

252. d. 40pi

253. c. 50√3

254. a. 46.83

255. c. 72

256. c. 5/21

257. d. 37/12

258. a. 268.1

259. b. 1.05

260. a. 1/90 rad/sec

261. c. the intersection of Df and Dg without the zeros of function g

262. d. the closed interval [a + 3 , b + 3]

263. a. the interval (a – 4 , +infinity)

264. b. (f / g)(x) is also continuous everywhere except at the zeros of g(x).

265. b. -10

266. c. lim [ f(x) . g(x) ] as x –> a may be +infinity or -infinity

267. c. (A) or (B) above

268. d. None of the above

269. d. (A) and (C) only

270. b. (-infinity , -3] U [3 , +infinity)

271. b. 1 / 10

272. b. f ‘(x) = g ‘(x)

273. b. f ‘(x) = g ‘(u) . u ‘(x)

274. a. 1

275. d. 4

276. a. 5

277. A. [ 2 e( exp –t ) – 4 e( exp – 3t ) ]

278. A. I(s) = 2 e^(-25t) sin 100t

279. D. cos wt

280. B. 2 cos 3x – 6 sin 3x

281. A. (1/4) e^t sinht

### Online Questions and Answers in Calculus Series

Following is the list of multiple choice questions in this brand new series:

**MCQ in Calculus**

**MCQ from Number 1 – 50**Answer key:

**PART 1**

**MCQ from Number 51 – 100**Answer key:

**PART 2**

**MCQ from Number 101 – 150**Answer key:

**PART 3**

**MCQ from Number 151 – 200**Answer key:

**PART 4**

**MCQ from Number 201 – 250**Answer key:

**PART 5**

**MCQ from Number 251 – 300**Answer key:

**PART 6**

P inoyBIX educates thousands of reviewers and students a day in preparation for their board examinations. Also provides professionals with materials for their lectures and practice exams. Help me go forward with the same spirit.

“Will you subscribe today via YOUTUBE?”