The product is equal to:
Remember that we can write a complex number in polar form as:
Then the given product:
can be rewritten to:
Now is easier to solve the product:
If you want to learn more about complex numbers:
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1 answer:
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Answer:
Average cost per litre of diesel = rs 8.00
Step-by-step explanation:
Amount spent on diesel each year = rs 4000
Price of a litre of diesel in the first year = rs 7.50
Price of a litre of diesel in the second year = rs 8.00
Price of a litre of diesel in the third year = rs 8.50
Average cost per litre of diesel =
where n is the number of years.
Average cost per litre of diesel =
=
= 8
Average cost per litre of diesel is rs 8.00
So that he buys an average of 500 (i.e ) litres every year.
The slope is 0 so it's a horizontal line parallel to the x-axis. All the values of y are the same. The line passes through the point (1,8), so y=8.
