হল _________।

This question was previously asked in
RRB Group D 20 Sept 2022 Shift 1 Official Paper
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  1. x + y
  2. x - y

Answer (Detailed Solution Below)

Option 1 : x + y
Free
RRB Group D Full Test 1
100 Qs. 100 Marks 90 Mins

Detailed Solution

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সূত্র ব্যবহৃত:

(a³ + b³) = (a + b)(a² - ab + b²)

গণনা:

ধরুন x 1/3 t এবং y 1/3 হবে p, তারপর

= (t² - tp + p²)(t + p)

= (t³ + p³)

= x + y

তাই, প্রয়োজনীয় মান হল x + y।

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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.

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