UIHistories Project: A History of the University of Illinois by Kalev Leetaru
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Repository: UIHistories Project: Mathematical Models Construction de Modeles de Surfaces Applicables sur le Paraboloide de Revolution [PAGE 18]

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18 P'ou.les Tableaux de variations

t

V3 / 2

1 2

,

2

&

X•

^7-71(1^7

o

I 8

3|/3 ££L o-

0

i

y

^ . 3, 8

(/3-r)2

2/2

P

0,2l5

F 0

o,35

Q

O, 125 o,65

R 0

o,6i4

^? 2

r

0

Section p a r le p l a n z = -• — D a n s ce cas, fi2= ^ et par suite

W

'

-

it-

y=Pour que x-ety soient reels, il est necessaire que £soit compris 'X entre V1 *-4= et 1 2 \_ /2 1/7 ^ll,. Les Tableaux de variations sont : 2 s/l

1-1-/2 I — v/2

2/2

i /a

2 ^2

2/2

3 7

(4-Vi4)t/2-tVi4 4y2

_

1 16/2

7

C-T*)'

(*¥)*

(if

(v1-)!