{"book":"adl0258","page":30,"text":"۲۵\n۱۶ - جذرها\nجذر یک مقدار ا آن مقدار میباشد که مربع آن مساوی ا باشد و ازین\nجذر ا بعلامت کا یا محض بعلامت ما تعبیر کرده میشود پس بدین\nطریق ۳ = ٩٧ زیرا که ۲۳ = ۹ میباشد -\nجذر مکعب یک مقدار ا آن مقدار میباشد که مکعب آن مساوی\nطریق\nا باشد و ازین جذر مکعب بعلامت ٣/٢ تعبیر کرده میشود پس بدین\n۲ = ٣/۸ زیرا که ۳۲ = ۸ میباشد\nو بهمین طریق جذر مرتبه نون یک مقدار ا آن مقدار میباشد که\nقوت نون آن مساوی ا باشد و ازین جذر مرتبه نون بعلامت ن/ا\nتعبیر کرده میشود - بدین طریق ۲ = ٣٢/۵ زیرا که ۳۲۵ و ۳ = ۱۸۲\nزیرا که ۴۳ = ۸۱ وعلیٰ ہذا القیاس\nعلامت ذیل را را اشارت جذر میگویند\n۱۷ خطوط قوسی یا (وحدانی)\nجمله علامات ذیل را ( ) و { } و [ ] خطوط قوسی میگویند\nو هر یک از انها نام جداگانه دارد چنانچه علامت اول را قوس خردیا","chars":697,"image":"https://storage.googleapis.com/adl-page-images/adl0258/00030.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/adl0258/30","canvas":"https://afghanpress.org/iiif/adl0258/canvas/30","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."}}