2- Soit z = x + iy où (x; y) E IR2. Z - 1
On pose Z = avec z # -1
Z +1
1. Montrer que Z a pour forme algébrique :
x2 + y2 – 1
2y
Z =
+i
(x + 1)2 + y2 (x + 1)2 + y2
2. Quel est l'ensemble des points M(z) tels que Z est :
a. Réel.
b. Imaginaire pur.

ans789

step-by-step explanation:

a

step-by-step explanation:

strong negative correlation

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answer: d.) the total number of protons and neutrons is 15

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c

step-by-step explanation:

there is vertical asymptote at x = 2 and x = 0

vertical asymptote occurs at the points where the denominator is 0. so we can say that

x = 2 occurs when there is a factor (x-2) in the denominator, and

x = 0 occurs when there is a factor "x" in the denominator

thus, the denominator of the equation would have "x * (x-2)", this is option c only. that's the correct answer.