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2 answers:
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Answer:
11)
12)
13a) and
13b)
Step-by-step explanation:
11. The given equation in rectangular coordinates is
To convert to polar form, use the relation
This implies that:
In polar coordinates, is a circle with radius 4 units.
12. From the diagram;
We can see that two arrows are moving in anticlockwise direction to meet A which is moving in the clockwise direction;
13. The conjugate of the complex number: is
Part a) The given complex numbers are:
and
The conjugates of these complex numbers are:
and
Part b) The product of and
is
The conjugate of the product is:
Answer:
Step-by-step explanation:
I assume your equation to solve is
When we have a product of two factors equal to zero,
The solution is either A = 0 or B = 0.
In this case, this means that we can break the equation into two equations:
Solving the first one, we get:
For the second one, we rewrite it as:
And we see that this equation has two solutions:
Therefore, the three solutions are: