- 7i)²![[\sqrt{5} - 7i]^{2}= (\sqrt{5})^{2} - 2*\sqrt{5}*7i + (7i)^{2}\\\\\\= 5 - 14i\sqrt{5}+7^{2}*i^{2}]]= 5 -14i\sqrt{5} +49 * -1\\\\= 5 -14i\sqrt{5} - 49\\\\= -44 - 14i\sqrt{5}](/tpl/images/0717/8506/f67ba.png)
Please solve this fast.
...
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 15:50
Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares
Answers: 1
Mathematics, 21.06.2019 18:10
Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin
Answers: 3
Mathematics, 21.06.2019 18:30
Una caja de galletas contiene 16 paquetes y cada una de estas tiene 12 galletas y se quieren repartir entre 6 niños ¿de cuantas galletas le toca a cada niño?
Answers: 1
Mathematics, 21.06.2019 22:00
Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function
Answers: 1
You know the right answer?
Questions
English, 29.03.2021 23:10
Mathematics, 29.03.2021 23:10
Geography, 29.03.2021 23:10
Mathematics, 29.03.2021 23:10
Physics, 29.03.2021 23:10
Social Studies, 29.03.2021 23:10
Mathematics, 29.03.2021 23:10
Mathematics, 29.03.2021 23:10
Mathematics, 29.03.2021 23:10
History, 29.03.2021 23:10
Computers and Technology, 29.03.2021 23:10
Chemistry, 29.03.2021 23:10
