If a2 + b2 = 2 and c2 + d2 = 1, then the value of (ad bc)2 + (ac + bd)2 is

If a2 + b2 = 2 and c2 + d2 = 1, then the value of (ad bc)2 + (ac + b

1.	If a² + b² = 2 and c² + d² = 1, then the value of (ad bc)² + (ac + bd)² is
A.	1
B.	2
Answer» E.

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If a2 + b2 = 2 and c2 + d2 = 1, then the value of (ad bc)2 + (ac + bd)2 is

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If a² + b² = 2 and c² + d² = 1, then the value of (ad bc)² + (ac + bd)² is