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x->3
lim (√3+x -√2x ) (√3+x +√2x) lim 3+x -2x lim (3-x)
------------------------------- = ------------------ = -------------------
(3-x) (√3+x +√2x) (3-x) (√3+x +√2x) (3-x)(√3+x +√2x)
= lim 1/ (√3+x +√2x) = 1/(2√6) = 1/12 .( √6)
smoga ngak keliru ngetik , ribet mesti pake simbol khusus
2. lim (x-1 ) / (√x²+3 - 2) . (√x²+3 + 2) lim (x-1) (√x²+3 + 2)
------------------ = ---------------------
(√x²+3 + 2) x²+3 -4
lim (x-1) (√x²+3 + 2) = lim (√x²+3 + 2)
--------------------- --------------- = 4/2 = 2
(x-1)(x+1) (x+1)
2. 1-1 per √1^2 + 3 - 2 = 0 per 2
3. √4-2 per √2(4)-4-2= √2 per √2 = 1