7-26  ʹlimitżޡ
⣺Enterȷϡ
>> syms x a t h;
>>  limit(sin(x)/x)
ans = 
1
>>  limit((x-2)/(x^2-4),2)
ans = 
1/4 
>> limit((1+2*t/x)^(3*x),x,inf)
ans =
exp(6*t)
>> limit(1/x,x,0,'right')
ans =
 inf
>> limit(1/x,x,0,'left')
ans =
-inf
>>  limit((sin(x+h)-sin(x))/h,h,0)
ans =
cos(x)
>> limit(v,x,inf,'left')
ans =
[ exp(a),      0] 
>>
