Question
Download Solution PDF{(0.98)3 + (0.02)3 + 3 × 0.98 × 0.02 – 1} का मान ज्ञात कीजिये।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
{(.98)3 + (0.02)3 + 3 × 0.98 × 0.02 – 1}
प्रयुक्त अवधारणा:
(a + b)3 = a3 + b3 + 3ab(a + b)
गणना:
{(.98)3 + (0.02)3 + 3 × 0.98 × 0.02 – 1
⇒ [(.98)3 + (0.02)3 + 3 × 0.98 × 0.02(0.98 + 0.02)} – 1]
अब, पहला पद (a + b)3 रूप का है जहाँ a = .98 और b = 0.02
⇒ (0.98 + 0.02)3 – 1 = 1 – 1 = 0
∴ मान 0 है।
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.