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-এর সরলীকৃত রূপটি কেমন হবে?

  1. 0.63
  2. 0.65
  3. 0.54
  4. কোনটিই নয় 

Answer (Detailed Solution Below)

Option 1 : 0.63
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Detailed Solution

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যেহেতু,

a 2 - b 2 = (a - b) (a + b)

⇒ 0.9 × 0.7 = 0.63

∴ উত্তর হল 0.63

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Last updated on Jun 2, 2025

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-> The RRB Group D Exam Date will be soon announce on the official website. Candidates can check it through here about the exam schedule, admit card, shift timings, exam patten and many more.

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-> This is an excellent opportunity for 10th-pass candidates with ITI qualifications as they are eligible for these posts.

-> 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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