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Date: Bissan Sec. School
Math Final Exam UNRWA
Time: Grade 11 – All Sections Ein/H - Saida

(1) - in the complex plane referred to a direct orthonormal system (O,U,V), consider a point M of affix z and of a point \M' of affix Z' such that:

Z=

(a) - write Z in a form of X+iY.
(b) - Determine and construct the set of points M image of z such that:
I - Zis real and positive .
II - =2
(c) If z=1+i, find the modulus and the argument of Z.

(2) In Bisan Secondary school, among 100 students in grade 11 (scientific sections, a favorable choice for third secondary.
CLASS L.S E.S TOTAL
2SA 18 BOYS 12 BOYS 38 BOYS
2SB 10 GIRLS 20 GIRLS 30 GIRLS
2SC 20 GIRLS 12 GIRLS 32 GIRLS

a) If we select two students from each section and we arrange them in order that each section is a part alone ,find the card of possible arrangements.
b) Fid the probability to select a girl.
c) I - Find the probability to select a girl in L.S
II - Find the probability......

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Approximate Word Count: 541
Approximate Pages: 3 (250 words per double-spaced page)

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