thetrojantv
thetrojantv
25-02-2018
Mathematics
contestada
helppppppppppppppppppppppppppppppppppp
Respuesta :
Louli
Louli
25-02-2018
Answer:
-16 + 37i
Explanation:
Note that i^2 = -1
(4+7i)(3+4i) = 4*3 + 4*4i + 7i*3 + 7i*4i
= 12 + 16i + 21i + 28i^2
= 12 + 37i + 28(-1)
= 12 + 37i - 28
= -16 + 37i
Hope this helps :)
Answer Link
VER TODAS LAS RESPUESTAS ( 95+ )
Otras preguntas
can someone write me a murder mystery using the information on the powerpoint attached
why are to guinea pigs suppressed?(Lewis coroll-Alice in wonderland)
Discuss how far sociologists would agree that a student’s social class is the main factor affecting their educational achievement 12 marks
(FOR BRIANLIEST!!!) PLEASE HELP ILL LOVE YOU 4L)) Part D The lineage of pea plants produced round seeds for four generations. The plants that fertilized these p
TIPS TO PASS UNIVERSITY TEST, ANY UNI TEST EXPERIENCED PERSON OUT THERE?
Which of the following does not happen during photosynthesis? Question 3 options: O2 is given off Glucose is made The sun's energy is reflected Chlorophyll abso
What is the actual distance from Orwell to Shoreham if the ruler measures 3 cm? (The scale is 1 cm = 4 km) Please help me now !! Please
I need help! What are some of the challenges that Mwewa Sumbwe faces that Black Americans or other Black immigrants do not face? Why is it important for people
Where are you most likely to find ligaments in the body? A) joints between long bones B) joints between two or more irregular bones C) joints between a long bon
How do I value all the 20-dollar bills in circulation?
