Question
Question: The value of the limit of \(\frac{x^{3} - x^{2} - 18}{x - 3}\) as x tends to 3 is...
The value of the limit of x−3x3−x2−18 as x tends to 3 is
A
3
B
9
C
18
D
21
Answer
21
Explanation
Solution
Let y=limx→3x−3x3−x2−18= limx→3(x2+2x+6)=9+6+6
= 21