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[(ka)b-c × (kb)c-a × (kc)a-b] × (x0 - 1) এর মান কত?

This question was previously asked in
RRB Group D 17 Sept 2022 Shift 3 Official Paper
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  1. 1
  2. a + b + c
  3. 0
  4. abc

Answer (Detailed Solution Below)

Option 3 : 0
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Detailed Solution

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গণনা:

প্রশ্ন অনুযায়ী,

[(ka)b-c × (kb)c-a × (kc)a-b] × (x0 - 1)

= [(ka)b-c × (kb)c-a × (kc)a-b] × (1 - 1)

= [(ka)b-c × (kb)c-a × (kc)a-b] × 0

= 0

অতএব, নির্ণেয় মান হল 0

সুতরাং, সঠিক উত্তরটি বিকল্প 3

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Latest RRB Group D Updates

Last updated on Jul 17, 2025

-> A total of 1,08,22,423 applications have been received for the RRB Group D Exam 2025. 

-> The RRB Group D Exam Date will be announced on the official website. It is expected that the Group D Exam will be conducted in August-September 2025. 

-> The RRB Group D Admit Card 2025 will be released 4 days before the exam date.

-> The RRB Group D Recruitment 2025 Notification was released for 32438 vacancies of various level 1 posts like Assistant Pointsman, Track Maintainer (Grade-IV), Assistant, S&T, etc.

-> The minimum educational qualification for RRB Group D Recruitment (Level-1 posts) has been updated to have at least a 10th pass, ITI, or an equivalent qualification, or a NAC granted by the NCVT.

-> Check the latest RRB Group D Syllabus 2025, along with Exam Pattern.

-> The selection of the candidates is based on the CBT, Physical Test, and Document Verification.

-> Prepare for the exam with RRB Group D Previous Year Papers.

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