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HW_sol(1)

# HW_sol(1) - Student’s Name MAC1140-24 Section 11.3 What...

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Unformatted text preview: Student’s Name: MAC1140-24 Section 11.3 What problems are the most difﬁcult for you? Question 1: (1 point) - [11.3.13PT]The 5“ term of a geometric sequence with ﬁrst term :11 = \/§ and common ratio r m wx/i is _ n_) B éﬂ airﬁ) I”: —\JE) (in: 01 r7 [2 ~42 5—) 4 c 8 f 0‘5: air = air“: VI (’97-) E3 nib/i Question 2: (1 point) :: [11.3.1bPT]The nth term of a. geometric sequence with ﬁrst term a1 = 3 and common ratio r = —l is 3 c -§(3)n-1 63: 2:, r: -lb \ C None of these n-) ' II 3(-%)“"‘ an : ai r n_\ c (“1)”“1 = 3) . l) E gnml 3) C "911ml Question 3: (1 point) [11.3.2aPT]If & geometric sequence has an m 2 and an m 3, what is the common ratio? 132 E If I None ofthese => 041 _ P; _> r_ __%_ [3 ﬁ- an 9. E 3* Question 4: (1 point) a; q [11.3.3bPT]Find the sum of the inﬁnite geometric seriesClj—l— \$3 + é -1 HE)" + afalyvc) ﬁzrérzimﬂ. I: 3 Ci. 5 5 E 6 , A’ a ‘ ' 8 — a = 1L ___.=..L= -L ' 5 °°’ 1-44“ 4-4.1. 4'5 E 4 5 5 = 4.?- Question 5: (1 point) - = 5 \ ll.3.3cPT]Find the sum of the alternating inﬁnite geametric series m\$ 1 1 5 +...+ ....1"+...;._.+... _\_ an, ll. (AfﬁlH— Ea-r-rg‘gﬁ. "[ a; E 13 1' l ‘ at! 9 fT'll's E ' ',3 c i gtaLﬁL 4 11.55. 9.“; f“ 0“ “ _r E) 4—(-g 41‘" 5 E 3 | A I ' ’\__ =L _’|_ 3 75 Question 6: (1 point) — a | + 15 E) E f] _ 7 7' [11.3.3dPT]H the repeating decimal 018915189 ~ - - is written as % in reduced form where m and n are integers, then m 2:: c 149 onggmg IRS“. E 43 I 9 g E 7 rd: 4 ) ngL —Ll=§22 7 '°°° I000 \000 1 993 m 37 El 189 ' m = - 7 1’- Question 7: (1 point) > m ' V\ [11.3.33PT]If the repeating decimal 0.454545 - -- is written as {if in re~ duced form where m and n are integers, then m = . E 5 outs b5". E 8 _ U 45 a1=_L_l"_3—_ 7 r: *L— I) g = = 5.5:; r: 38 I00 ‘ '00 °" '004 3 ll ...
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