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 ( 35+ )
Otras preguntas
what is the main cause of conflict in many West African nations?
What was a result of Bacon's Rebellion?
What is/are one of the environmental waste products of nuclear energy?
what is the slope of line that passes through the points (8, -9) and (14, -9)
what disagreement do Brutus and Cassius have about the plans for Ceasars funeral
the teacher corrects our homework chnage into passive
Answers are A:4 square root 5 B:16 C:6 D:8 square root 5
The resulting R'ST' is an example of what kind of transformation? rotation translation reflecting across y-axis reflecting across X-axis
What is the probability of on-time arrival in class given that the subject is biology? A. 90.1% B. 88.5% C. 84.7% D. 82.4% E. insufficient data
Both a fire blanket and the spray from a fire extinguisher put out a fire by pressing down on the fire and pushing any oxygen away. When there is no oxygen, the
