One number is 7 more than another. The difference between their squares is 161. What are the numbers?
2 answers:
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Top is the dotted , bottom is the solid
Answer:
Step-by-step explanation:
The given complex number is:
First of all, we find the modulus of the complex number.
Given a complex number written in the form
The modulus is given by
Here we have:
a = 3
b = 3
So the modulus is
Now we find the argument. The argument is given by the equation:
In this case,
a = 3
b = 3
So the argument is:
So we can rewrite the complex number using polar representation as:
So