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.

That is so true, i can’t believe how true this is

121 pints. they had 176 and drank 55

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,