Question

Determine Z tal que: (1+i).Z=5-i

Answer 1

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Ola Luh

z = a + bi

(1 + i)*(a + bi) = 5 - i

a - b + (a + b)*i = 5 - i

a - b = 5
a + b = -1

2a = 4
a = 2

2 - b = 5
b = -3

z = 2 - 3i

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