lim𝑥→𝜋3cot(3𝑥)x→ 3π lim cot(3x) =A.33 B.0C.1D.3333 E.Does not exist
Question
lim𝑥→𝜋3cot(3𝑥)x→ 3π lim cot(3x) =A.33 B.0C.1D.3333 E.Does not exist
Solution
To solve this limit, we need to use the limit property that states: lim (f(x)g(x)) = lim f(x) * lim g(x), given that both limits exist.
Here, we can rewrite the function cot(3x) as cos(3x)/sin(3x).
So, the limit becomes: lim (x→3π) [x * cos(3x)/sin(3x)].
We can now separate this into two limits: [lim (x→3π) x] * [lim (x→3π) cos(3x)/sin(3x)].
The first limit is easy to solve: lim (x→3π) x = 3π.
The second limit is a bit trickier. As x approaches 3π, cos(3x) approaches cos(9π) = 1, and sin(3x) approaches sin(9π) = 0.
So, the second limit is of the form 1/0, which is undefined.
Therefore, the overall limit does not exist.
So, the answer is E. Does not exist.
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