kyvantrout4
kyvantrout4
25-10-2014
Mathematics
contestada
which is equivalent to (2-5i)(-2+5i)
Respuesta :
crisforp
crisforp
25-10-2014
= -4 + 10i + 10i -25i^2 = -4 + 20i + 25 = 21 + 20i, because i^2 = -1.
Answer Link
konrad509
konrad509
25-10-2014
[tex] (2-5i)(-2+5i)=\\ -(2-5i)^2=\\ -(4-20i-25)=\\ -(-21-20i)=\\ 21+20i[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 93+ )
Otras preguntas
Find the area of a triangle whose sides are 35 cm, 45 cm and 50 cm.
9. Which of the following is a question an art critic will ask when interpreting a painting? “Did the artist go to art school?" “How does the artist arrange th
Help Me On This!! Asap!!
An object moving with a speed of 5m/s comes to rest in 10s after the brakes are applied . What is the initial velocity?
es ciertoque no tengo dinero y es evidente que la mayor parte de las monedas son de chocolate;pero si cogeis esta hoja,la doblais a lo largo en dos rectangulos,
A bag contains 1 red, 1 yellow, 1 blue, and 1 green marble. What is the probability of choosing a green marble, not replacing it, and then choosing a red marble
body paragraph being young
Which of the following is a valid probability distribution?
Drag each tile to the correct box. The composite figures below are made of right prisms.
Which is not an example of traditional poetic form? A. free verse ( verse that does not follow a fixed meter and rhyme) B. sonnet C. ballad ( narrative verse wi
