Evaluate the expression (1+i)² and write in the form a + bi.
 figure 1.png)
(a) 0 + 2i
You might also like to view...
Find the exact value.Given that sin ? = - 
with ? in quadrant IV, find cos 2?.
A. 
B. - 
C. - 
D. 
Find the area of the region under the graph of the function
?
?
on the interval 
.
What will be an ideal response?
Solve the problem.A company has three different marketing strategies that produce different results depending upon whether inflation is above 6%, between 3% and 6% inclusive, or below 3% annually. The experts cannot predict inflation for the next year. The company has three plans of action and will implement these at varying percentages of its total operation. The payoff matrix for these three plans is given below, with values given in hundred thousands. What is the marketing strategy for the company that will yield the best expected value? 
A. The company should use Plan 1 with probability 1, Plan 2 with probability 0, and Plan 3 with probability 0. B. The company should use Plan 1 with probability 1/3, Plan 2 with probability 1/3, and Plan 3 with probability 1/3. C. The company should use Plan 1 with probability 0, Plan 2 with probability 1, and Plan 3 with probability 0. D. The company should use Plan 1 with probability 5/13, Plan 2 with probability 0, and Plan 3 with probability 8/13.
Two sides of a right triangle ABC (C is the right angle) are given. Find the indicated trigonometric function of the given angle. Give exact answers with rational denominators.Find csc B when a = 9 and b = 5.
A. 
B. 
C. 
D. 