ohm-website-data.s3.amazonaws.com + Bb Syllabus - 2023 Spring Term (1... Q Lumen OHM - Math 12550.01 1... Free Precalculus Textbook Avail... https://assets.openstax.org/osc... https://ohm-website-data.s3.a... Homework Help - Q&A from On... Name: Instructor /Section: MATH 12550.00 - Week 13 - Recitation - Summation Notation; Arithmetic and Geometric Series; Identities with binomial coefficients 1. Write out the following sum ()" (4n + 1) 3n 2. Write the following sums in Sigma notation, starting with k = 1: (a) 1+ 4+7+ ...+ 298 (b) 5 .22 + 5 . 23 + 5 . 24 + ... + 5.217 (c)x- 23 5 1 co BY Tatyana Khodorovskiyohm-website-data.s3.amazonaws.com C + Bb Syllabus - 2023 Spring Term (1... Q Lumen OHM - Math 12550.01 1... Free Precalculus Textbook Avail... o https://assets.openstax.org/osc... https://ohm-website-data.$3.a... Homework Help - Q&A from On... co BY Tatyana Khodorovskiy 3. Find the following: (a) Sum of the first 21 terms of the sequence: 5, 9, 13, 17, ... (b) The sum of the first 15 terms of the sequences 7, -14, 28, -56, 112, ... 4. Find the following: (2) (3) (b) (8 ) 5. (Hard. ) Show the following using factorials: k (2) -(2 = 1)