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Find the value of (472 - 442)


1. 9
2. 273
3. 8281
4. 81

1 Answer

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Best answer
Correct Answer - Option 2 : 273

Formula used:

a2 – b2 = (a – b) (a + b)

Calculation:

(472 – 442)

⇒ (47 – 44) (47 + 44)

⇒ 3 × 91

⇒ 273

The value of (47- 442) is 273

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