# Quiz for CMSC 250 - Discrete Structures at Maryland (UMD)

## Quiz Information

 Material Type: Quiz 8 Professor: Staff Class: CMSC 250 - Discrete Structures Subject: Computer Science University: University of Maryland Term: -- Keywords: Square BracketsProvided ThatCombinationsInfinite SetsNumeric ValueCalculatorsCmsc 250 QuizTotal NumberPropositionalFollowing Statement  ## Sample Document Text

CMSC 250 Quiz #8 ANSWERS Wed., Oct. 23, 2002 Write all answers legibly in the space provided. The number of points possible for each question is indicated in square brackets { the total number of points on the quiz is 30, and you will have exactly 15 minutes to complete this quiz. You may not use calculators, textbooks or any other aids during this quiz. 1. [9 pnts.] Expand each of the following { if there are more than 5 terms, you only need to tell the rst ve terms of each. a. P2i= 1 ii2 ANSWER: 1 12 + 002 + 112 + 222 b. 8k > 0 ak = kk+1 ANSWER: a1 = 12; a2 = 23; a3 = 34; a4 = 45; a5 = 56 c. Q10m=2 r(m+1) ANSWER: r3 r4 r5 r6 r7 2. [9 pnts.] Find the numeric value (or single fraction) of each of the following a. P2i= 2 i3 ANSWER: 23 + 13 + 03 + 13 + 23 = 0 b. Q5j=0(j2) ANSWSER: 02 12 22 32 42 52 = 0 c. P3j=0 jj ANSWER: 00 + 11 + 22 + 33 = 0 + 1 + 4 + 27 = 32 if they assumed 00 = 0 ANSWER: 00 + 11 + 22 + 33 = 1 + 1 + 4 + 27 = 33 if they assumed 00 = 1 ANSWER: 00 + 11 + 22 + 3...

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