Page 227 - Math Grade 12 (Basic)

PROEUS DARA
2
tf:'IQ12 lim -Jt - 3) = lim
X-? -00 X-> -oo
-- l. Jm - 8t + 2 =- 4 '1
t->+CO J2 ~
t -8t-l+A!r-3

4. 2. ti11 tlj lim X = 0 tf:'IQ12 lim (J1+3X +a) = 0
x-->0 x-->0
lim ( +a)=a+l tf:'IQ12a+l =0 il2Ja=-1 '1
-o
+a - 1 (Jl +3x I)(J1+3x+l)
= lim = lim
X x-o X x-:»0 x(Jl+3X+ 1)
3
= lim = '1
x-o + 1 2

1':1. lim
X 2
lim X - 2 = 0 t f:'l (11 2 lim ( J X + a - 1 ) = 0
x->0 x-->0

212J Ja+2- = 0 f::lmsg a = -1 '1
II
Jx + a-1 JX-=.1-1
lim = lim = lim -- '1
X-> 2 x-2 x-»2 x-2 x-2 +I) 2

5. n. 3 2. +co 1':1. m. 1 tl. u. '1
25 2 2
l
6. n. +co 2. -CO 1':1. 0 m. tl. -CO
2
2 2
G. lim xln(x + 1) = -co lim xln(x + 1) = +CO
X-> -00 x-->+oo
SJ. +co t:l. '1

3 5
7. n. 2. -1 1':1. m. '1
2 2 2

8. n. 2. 3 1':1. m. 1 h. u. 6/i
4 2

. 2Jt
2 2 2 sm-
na • 2n . S . na . 2n . na 2n n 2 '1
10. = -sm- 1 1m n = 1 1m sm- = 11m - · - · -- = na
2 n n co n - + 00 n n - + co 2 n 2n
n

222