22 = −4 m = lim ;1: ; ;1 2 →0 2 = lim ;1: ; ;1 2 →0 2 = lim 1;2 : ;1 →0 = lim (;2: ) →0 = lim −2 + →0 = −2 m 3 = lim 0: ; 0 →0 2 = lim 0: ; 0 2 →0 2 = lim ;0 →0 2 = lim →0 = lim →0 = 0 m 4 = lim 1: ; 1 →0 Bahan Ajar