lpsneed lpsneed

28-09-2014
Mathematics

contestada

how would I solve (-2-2i)(-4-3i)(7+8i)

Respuesta :

mariamikayla mariamikayla

28-09-2014

[tex](-2-2i)(-4-3i)(7+8i)= \\\\ =(8+6i+8i+6i^2)(7+8i)=\\\\ =(6i^2+14i+8)(7+8i)= \\\\ =42i^2+98i+56+48i^3+112^2+64i= \\\\ =\boxed{48i^3+154i^2+162i+56}[/tex]

Answer Link

konrad509 konrad509

28-09-2014

[tex](-2-2i)(-4-3i)(7+8i)=\\ (-2-2i)(-28-32i-21i+24)=\\ (-2-2i)(-4-53i)=\\ 8+106i+8i-106=\\ -98+114i [/tex]

Answer Link

Otras preguntas

the antonym of the word cheerful is

Consider the equation 1.5x + 4.5y = 18 If we graph the equation, what is the slope of the graph? A. 3 B. -3 C. 1/3 D. -1/3 Please help me fast !!

1. In paragraph 8, it is revealed that "There was something coming to her and she was waiting for it, fearfully." Which commentary best responds to this text ev

how would you Graph 12x−2y=8 on a graph

In a school Library there are 45 story books, 25 english books. What is the ratio of the number of english books to the number of story books.

Of which type of logical fallacy is the following example? All students cheat. I know because I've caught three of them this year.

who hates the rasist orange??????

In science, a theory is a well-tested explanation that explains a lot of ____________________.

Distribute 3x (3x - 3)

Divide. 2 1/9÷2/3=? 1 11/27 2 2/27 3 1/6 1 2 1/9