div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader039fdocumentsinreader039viewer20220402135ea296b47d5ed67f155e8513html5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: peoplemathumassedupeoplemathumassedu~markmanmath300_fall17scan · 24 Prove that the sum of the first n terms of the arithmetic progression is % 2a + n — ld that src=https:reader039fdocumentsinreader039viewer20220402135ea296b47d5ed67f155e8513html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 2button div class=trans-image a href=https:reader039fdocumentsinreader039viewer20220402135ea296b47d5ed67f155e8513html5page2jpg target=_blank amp-img class=trans-thumb alt=Page 2: peoplemathumassedupeoplemathumassedu~markmanmath300_fall17scan · 24 Prove that the sum of the first n terms of the arithmetic progression is % 2a + n — ld that src=https:reader039fdocumentsinreader039viewer20220402135ea296b47d5ed67f155e8513html5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 3button div class=trans-image a href=https:reader039fdocumentsinreader039viewer20220402135ea296b47d5ed67f155e8513html5page3jpg target=_blank amp-img class=trans-thumb alt=Page 3: peoplemathumassedupeoplemathumassedu~markmanmath300_fall17scan · 24 Prove that the sum of the first n terms of the arithmetic progression is % 2a + n — ld that src=https:reader039fdocumentsinreader039viewer20220402135ea296b47d5ed67f155e8513html5thumbnails3jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 4button div class=trans-image a href=https:reader039fdocumentsinreader039viewer20220402135ea296b47d5ed67f155e8513html5page4jpg target=_blank amp-img class=trans-thumb alt=Page 4: peoplemathumassedupeoplemathumassedu~markmanmath300_fall17scan · 24 Prove that the sum of the first n terms of the arithmetic progression is % 2a + n — ld that...