The value of \((25.732^{2} - 15.732^{2})\) is
Question and options
The value of is
- 4.1464
- 41.464
- 414.64
- 4146.4
Answer and explanation
Correct answer: C - 414.64
Using a squared - b squared = (a + b)(a - b), the sum is 41.464 and the difference is 10. Their product is 41.464 x 10 = 414.64. The value 41.464 forgets to multiply by the difference of 10.
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