1) limx→0√x2+100−10x2= A) 0 B) 0.1 C) 0.05 D) -0.05 Answer: Option CExplanation:limx→0√x2+100−10x2 =limx→0(√x2+100−10)(√x2+100+10)x2(√x2+100+10) =limx→0x2+100−100x2(√x2+100+10) = limx→01√x2+100+10 = 110+10=120=0.05 Hence, option (c) is correct