The answer for your problem is 192
The restriction of the given equation is
, other than 0≤x≤2π.
What is restriction of equation?
Restriction of the equation is the value of domain where the value is limited.
Given,

taking
common, we get

we know

we get,

and the restriction is 0≤x≤2π.
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Answer:
3i
Step-by-step explanation:
3i x 3i = -9
-3i x -3i = -9
Therefore the square root of -9 is 3i or -3i
Answer is A, different slopes
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