Tylko Zadanie 3
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Pozdrawiam
... = [ (√2/2)² + (1/2)² ]² = [ 2/4 + 1/4 ]² = (3/4)² = 9/16
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... = [ (√2/2)² + (1/2)² ]² = [ 2/4 + 1/4 ]² = (3/4)² = 9/16