Answer: the correct option is
(D) The imaginary part is zero.
Step-by-step explanation: Given that neither a nor b are equal to zero.
We are to select the correct statement that accurately describes the following product :
We will be using the following formula :
From product (i), we get
![P\\\\=(a+bi)(a-bi)\\\\=a^2-(bi)^2\\\\=a^2-b^2i^2\\\\=a^2-b^2\times (-1)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~[\textup{since }i^2=-1]\\\\=a^2+b^2.](https://tex.z-dn.net/?f=P%5C%5C%5C%5C%3D%28a%2Bbi%29%28a-bi%29%5C%5C%5C%5C%3Da%5E2-%28bi%29%5E2%5C%5C%5C%5C%3Da%5E2-b%5E2i%5E2%5C%5C%5C%5C%3Da%5E2-b%5E2%5Ctimes%20%28-1%29~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~%5B%5Ctextup%7Bsince%20%7Di%5E2%3D-1%5D%5C%5C%5C%5C%3Da%5E2%2Bb%5E2.)
So, there is no imaginary part in the given product.
Thus, the correct option is
(D) The imaginary part is zero.
The types of graphs that can be used to represent the given data are; Bar Graph and Pie Charts
<h3 /><h3>How to use graphs?</h3>
We want to find out the type of graph that can be used to represent the data mass of Garbage collected each day of the week in a city.
Now, we can't use line graph because the data has no linear relationship between the two variables.
Secondly, the bar graph can be used as heights or lengths will be proportional to the mass of garbage collected each day.
Thirdly, a histogram cannot be used because this doesn't deal rang range of days but each single day.
Lastly, a pie chart can be used as we get the see the pie or in this case day with the highest mass of garbage on the pie chart.
Read more about Graphs at; brainly.com/question/4025726
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