outsider9665 outsider9665
  • 21-05-2018
  • Mathematics
contestada

How do you simplify #(-3 - 2i)(-3 + 3i)#?

Respuesta :

crisforp
crisforp crisforp
  • 21-05-2018
So, ( -3 - 2i )( -3 + 3i ) = 9 - 9i +6i - 6i^2 = 9 - 3i - 6·(-1) = 9 + 6 - 3i = 15 - 3i;
We have / 15 +(- 3)i / = 15.29;[tex] \sqrt{ 15^{2} + (-3)^{2} } = \sqrt{225 + 9} = \sqrt{234} = [/tex]
Answer Link

Otras preguntas

What are the three stages of matter?
For the following right triangle find the side length X
What whole number does 101.32 get rounded to?
an Wochenende arbeiten Vorteile und Nachteile
Given: 7x = 63 Conclusion: x=9
What happens when sediment eroded by water, ice, and wind slows down or stops moving? A.The sediment is deposited in a new location.B.The sediment continues to
Which of the following is considered to be the two primary sources for sea salt in seawater?
Find the slope of the line graphed below.
What was F. Scott Fitzgerald's relationship with money like? What was his social status? Which people and events most influenced him?
write two paragraphs minimum on whether you think we have free will in life or is life already planned out for us and explain your answer. HELP ASAP