(a - b)² = (b - a)²
√x² = |x|
|x| = x x>=0
= -x x<0
-----
√5 > 1
√(1-√5)²+√(-1-√5)² = |1 - √5| + |1 + √5| = √5 - 1 + √5 + 1 = 2√5
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Verified answer
(a - b)² = (b - a)²
√x² = |x|
|x| = x x>=0
= -x x<0
-----
√5 > 1
√(1-√5)²+√(-1-√5)² = |1 - √5| + |1 + √5| = √5 - 1 + √5 + 1 = 2√5