{"book":"adl0258","page":250,"text":"۲۴۵\n\nمثال ۳ قیمت لا / لا+و + و / لا-و را معلوم کنید\nچون مخرج مشترک اصغر مخارج = لا۲-و۲\nلا / لا+و = لا(لا-و) / لا۲-و۲ و و / لا-و = و(لا+و) / لا۲-و۲\nلهذا قیمت مطلوب = لا(لا-و) / لا۲-و۲ + و(لا+و) / لا۲-و۲ = لا(لا-و)+و(لا+و) / لا۲-و۲ = لا۲+و۲ / لا۲-و۲\nمثال ۳ قیمت ۱ / ا+ب + ۱ / ا-ب - ۲ ا / ا۲+ب۲ را معلوم کنید\nچون در مثال همه کسور بآسانی متحدالمخرج نمیشوند لهذا صورت عمل بطریق ذیل خواهد بود\n۱ / ا+ب + ۱ / ا-ب = (ا-ب)+(ا+ب) / ا۲-ب۲ = ۲ ا / ا۲-ب۲\nقیمت مطلوب = ۲ ا / ا۲-ب۲ - ۲ ا / ا۲+ب۲ = ۲ ا(ا۲+ب۲)-۲ ا(ا۲-ب۲) / ا۴-ب۴ = ۴ اب۲ / ا۴-ب۴\nمثال ۴ ۱ / لا-۲ - ۱ / لا+۲ - ۴ / لا۲+۴ + ۳۲ / لا۴+۱۶ را مختصر کنید\nپس ۱ / لا-۲ - ۱ / لا+۲ = (لا+۲)-(لا-۲) / لا۲-۴ = ۴ / لا۲-۴\nو ۴ / لا۲-۴ - ۴ / لا۲+۴ = ۴(لا۲+۴)-۴(لا۲-۴) / لا۴-۱۶ = ۳۲ / لا۴-۱۶\nو ۳۲ / لا۴-۱۶ + ۳۲ / لا۴+۱۶ = ۳۲(لا۴+۱۶)+۳۲(لا۴-۱۶) / لا۸-۲۵۶ = ۶۴ لا۴ / لا۸-۲۵۶","chars":801,"image":"https://storage.googleapis.com/adl-page-images/adl0258/00250.jpg","first_page":1,"last_page":309,"title":"Kitāb-i jabr va muqābalah ‏كتاب جبر و مقابله Silsilah-ʼi Mūʼallifāt-i Madrasah-i Mubārakah-i Ḥabībīyah-ʼi Dār al-Salṭanah-ʼi Kābul","permalink":"https://afghanpress.org/book/adl0258/250","canvas":"https://afghanpress.org/iiif/adl0258/canvas/250","source":"https://afghanistandl.nyu.edu/books/adl0258/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0258_download.pdf","rights":{"image":{"statement":"Public domain. NYU states: \"All works presented on this website are, unless otherwise indicated, in the public domain. The images available on this website may be freely reproduced, distributed and transmitted by anyone for any purpose, commercial or non-commercial.\"","uri":"http://rightsstatements.org/vocab/NoC-US/1.0/","holder":"New York University Libraries","source":"https://afghanistandl.nyu.edu/about.html","delivery":"Images are served from a copy mirrored by this project, not from NYU's servers, under the reproduction terms above.","endorsement":"This is an independent project. It is not affiliated with, endorsed by, or reviewed by New York University."},"text":{"statement":"Machine-generated transcription, dedicated to the public domain under CC0 1.0. No warranty of accuracy: see the provenance block on every page.","uri":"https://creativecommons.org/publicdomain/zero/1.0/","holder":"Steps Ventures"}},"provenance":{"text_produced_by":"gemini-3.1-pro-preview","thinking_level":"low","read_completed":"2026-08-09","per_page_confidence":null,"per_page_confidence_note":"Not recorded during the corpus run. No calibrated per-page score exists, and none is estimated here.","human_reviewed":false,"accuracy_context":"Roughly two thirds of characters agree with a modern printed edition of the same text. Much of the disagreement is editorial, not misreading. Treat the transcription as a finding aid and read the page image before quoting.","primary_source":"The page image. The text is an index into it."}}