Question 1 Report
Find the limit of y = \(\frac{(x^3 - 2x^2 + 6x - 12)}{(x - 2)}\) as x goes to 2.
The limit of the function \( y = \frac{x^3 - 2x^2 + 6x - 12}{x - 2} \) as \( x \) approaches 2 can be found by first checking what happens when we substitute \( x = 2 \) directly.
Substituting \( x = 2 \):
Numerator: \( 2^3 - 2 \cdot 2^2 + 6 \cdot 2 - 12 = 8 - 8 + 12 - 12 = 0 \)
Denominator: \( 2 - 2 = 0 \)
So, the expression gives \( \frac{0}{0} \), which is an indeterminate form. To find the limit, we need to simplify the expression.
Let’s factor the numerator to see if \( (x - 2) \) is a factor:
x^3 - 2x^2 + 6x - 12
We can try to divide the numerator by \( (x - 2) \) using either polynomial division or synthetic division. Let's use synthetic division with a root of 2:
2 | 1 -2 6 -12
2 0 12
--------------------
1 0 6 0
The result shows that \( x^3 - 2x^2 + 6x - 12 = (x - 2)(x^2 + 6) \).
So, we can rewrite the function:
As long as \( x \neq 2 \), the \( (x - 2) \) terms cancel:
Now, find the limit as \( x \to 2 \):
Therefore, the limit as \( x \) approaches 2 is 10.
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