The distance between the school and the airport on a map is 7.25 cm. The scale of the map is 1 cm : 12m. What is the actual dist
1 answer:
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Answer:
, option B
Step-by-step explanation:
Complex numbers:
The most important relation that involves complex numbers is given by:
Solving a quadratic equation:
Given a second order polynomial expressed by the following equation:
.
This polynomial has roots such that
, given by the following formulas:
In this question:
The solutions are:
We have to find the polynomial. All option have . So
The correct answer is given by option b.