2001

Mathematics

67ca00ce0c643c71d77dee1f

Given that p = 1 + √2 and q = 1 - √2, evaluate (p² - q² /2pq)

A.

2(2+√2)

B.

-2(2+√2)

C.

2√2

D.

-2√2

Correct Answer: -2√2

Explanation

$p = 1 + \sqrt{2} a n d q = 1 - \sqrt{2}, e v a l u a t e \frac{(p^{2} - q^{2})}{2 p q}$

p = 1 + \sqrt{2} a n d q = 1 - \sqrt{2}, e v a l u a t e \frac{(p^{2} - q^{2})}{2 p q}

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