Question
Download Solution PDF5x2 + 7x + 4 = 0 என்ற இருபடிச் சமன்பாடு என்ன வகையான வர்க்க மூலங்களைக் கொண்டுள்ளது?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFகொடுக்கப்பட்டது:
5x2 + 7x + 4 = 0
வாய்பாடு:
D = b2 - 4ac
கணக்கீடு:
D = b2 - 4ac
a = 5
b = 7
c = 4
⇒ b2 - 4ac
⇒ 49 - 4 x 5 x 4
⇒ 49 - 80
⇒ - 31
⇒ b2 - 4ac = - 31
⇒ b2 - 4ac
எனவே, உண்மையான இருபடி வர்க்கமூலம் இல்லை.
சரியான பதில் விருப்பம் 2.
Last updated on Jul 18, 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.