Mathematics for IGCSE & O level - Surds (Section 2 - No. 32)

Which of the following is equivalent to (√3 - √2)^2?

5 - 2√6

5 + 2√6

1

1 - 2√6

解释

(√3 - √2)^2 = 3 - 2√6 + 2 = 5 - 2√6

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