Question
Download Solution PDFSimplify : \(\rm \frac{0.728 \times 0.728-0.272 \times 0.272}{0.456}\)
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Simplify: (0.728 × 0.728 - 0.272 × 0.272) / 0.456
Formula used:
(a2 - b2) = (a + b)(a - b)
Calculation:
(0.728 × 0.728 - 0.272 × 0.272) / 0.456
⇒ (0.7282 - 0.2722) / 0.456
⇒ ((0.728 + 0.272) × (0.728 - 0.272)) / 0.456
⇒ (1.0 × 0.456) / 0.456
⇒ 0.456 / 0.456
⇒ 1
∴ The correct answer is option (2).
Last updated on Jun 23, 2025
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