Oblicz x+y oraz x-2y
x= √ 9/16 y=√1 i 9/16
x+y i x-2y
x = √9/16 = 3/4
y = √25/16 = 5/4
x + y = 3/4 + 5/4 = 8/4 = 2
x - 2y = 3/4 - 2 * 5/4 = 3/4 - 10/4 = - 7/4 = - 1 3/4
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x+y i x-2y
x = √9/16 = 3/4
y = √25/16 = 5/4
x + y = 3/4 + 5/4 = 8/4 = 2
x - 2y = 3/4 - 2 * 5/4 = 3/4 - 10/4 = - 7/4 = - 1 3/4