kyvantrout4 kyvantrout4
  • 25-10-2014
  • Mathematics
contestada

which is equivalent to (2-5i)(-2+5i)

Respuesta :

crisforp
crisforp crisforp
  • 25-10-2014
= -4 + 10i + 10i -25i^2 = -4 + 20i + 25 = 21 + 20i, because i^2 = -1.
Answer Link
konrad509
konrad509 konrad509
  • 25-10-2014
[tex] (2-5i)(-2+5i)=\\ -(2-5i)^2=\\ -(4-20i-25)=\\ -(-21-20i)=\\ 21+20i[/tex]
Answer Link

Otras preguntas

What were the 3 mentions of slavery in the Constitution?.
TRUE/FALSE. the western islands and the portions of europe that reside along the atlantic coastline benefit from the warm waters of the .
HELP PLEASE (production art) Produce an Infographic on Analogue VS Digital mixing desk. What are the pro's and cons of each type of system? Include at least 5
What is a county and how is it governed?.
identify each existing circumstance as one that will either help or not help the united states handle the expected increase in the elderly population.
What happened when Mr Gideon told the court he did not have the money to pay for an attorney and asked that one be appointed for him?.
There were 750 books sold last week at Sid's Bookstore. The circle graph below summarizes these books by genre. The central angle for the Mystery slice is 96.48
When the dreadful storm had passed, the flowers and the corn raised their drooping heads in the pure still air, refreshed by the rain, but the buckwheat lay lik
How does the economy affect citizens?.
Lines 370-375 of The Battle with Grendel : How do the alliteration and imagery affect the impact of this part of the poem?