Page 219 - Math Grade 12 (Basic)

PROEUS DARA

n. tr=1dnttlru'i:fls x stlnttiru'!:fls v
61 1.1 1.1 •
1
2 2
4x - 9y + 32x + 18y + 91 = 0
2 2
4x+32x 9y+18y+91=0

4(i+8x)-9(/-2y)+9l = 0
2 2
4(x + 8x + 16- - 9(y 2y + I- l) + 91 = 0
2 2
4(x + 4) - 64 9(y- 1) + 9 + 91 = 0
2 ?
4(x+4) -9(y 1r = -36
2 2
(y-1) _(x+4) = 1 <j
4 9
2 2
4
2. N1hm~trmru (y-1) (x+ ) = 1 y -
l u 4 9
vd
6.
tr:19l f!JtflS h = -4 , k = 1 , a = 2 , !
.~ . / -:/
..-----: /
2 2
b = 3 stl c = a + = 4 + 9 = 13 '-._ ,__ -4 ,3) -- v /
""' "-.,._ v
/ " i
,-1-- ""' "-.,._ 0
v
»nJ9'9t~LN'Ust~»ruM~, ~, s -./ :5-: - - -f'-;:1 XI !
v v 1-- --r----. ~ I I
nHH~tsnn~ (-4, n /'""""
u a "'--- " I
0 0 0 ~ dl . I
nHH~tSnrul9ltlm (h, k±a) r:1 ·----"-~"" I
U I
1 ± 2) Y. (-4, 3) st~ (-4, -o <j
OOOQ1 C$ M~ r:;;::,
nHH~tSnrwl9ltlfU (h, k ±c) r:1 (-4, 1 + 0B) Stl (-4, 1- 013) '1
lJ 1
.., .., o .., .,. a 2 2 11
N't3filH-flf9'e~619ltlt"Ur:1 y = k+z;(x- = 1 + (x+4) = 3x+3
3
a 2 2 5
y = k-z;(x-h) = 1- (x+4) =- x- '1
3 3 3

2 2
n. -X +4y -2X- + 11 = 0
2 2
2. 25x - 16y + 250x + 32y + 109 = 0 '1

214