சுருக்குக : \(\rm \frac{0.728 \times 0.728-0.272 \times 0.272}{0.456}\)

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TNPSC Group 1 Services Prelims 2015 Official Paper
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  1. 0.456
  2. 1
  3. 0.728
  4. 0.272

Answer (Detailed Solution Below)

Option 2 : 1
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