College Algebra & Trigonometry, 2018a

6.3. SERIES 297
Exercises 6.3
Write out each series in expanded notation.
1)
∑10
2k − 5 2)
7∑
6k − 3 3)
9∑
( ) 1
(−1) k k
k=1
k=3
k=2
4)
∑10
k=0
(−1) k+1 (k − 4) 5)
4∑
k=0
k 2
2
6)
8∑
k=1
k
3 k
Write each series using sigma notation.
7) 8+12+16+20+24+28 8) 5+10+15+20+25+30
9) 2+9+16+23+···+65 10) 5+8+11+14+···+95
11) 1+4+9+16+···+ 256 12) 1+8+27+64+···+ 1331
13) 1 − 1 2 + 1 4 − 1 8 + 1
16 − 1
32
14) 27 − 9+3− 1+ 1 3 − 1 9