clanid4pe0czt clanid4pe0czt

25-08-2018
Mathematics

contestada

what is the absolute value of (3+4i) (3-4i)

Respuesta :

25-08-2018

First simplify. Use (a + b)(a - b) = a² - b²:

[tex](3+4i)(3-4i)=3^2-(4i)^2=9-4^2i^2=9-16(-1)=9+16=25[/tex]

Absolute value:

[tex]|(3+4i)(3-4i)|=|25|=25[/tex]

Answer Link

Otras preguntas

When adolf hitler assumed the role of chancellor of germany in 1933; he began a campaign to ________ art he did not approve of in the collections of german muse

Hugh bought some magazines that cost $3.95 each and some books thst cost $8.95 each he spent a total of $47.65 if Hugh bough 3 magazines how many books did he b

A store owner buys a total of 4,000 items for two different products. for shipping costs, it is $0.10 per item of product a and $0.04 per item of productb. if t

Evaluate m+ n2 if we know m=2and n=_3

The lengths of two sides of a triangle are 14 inches and 4 inches which of following is the dimensions is the third side of the triangle? 10 in 11 in 8 in 9 i

Which is a homologous chromosome pair? A.chromatid B.zygote C.gamete D.tetrad

is bilbo scared when he has to face the dragin

am i an idiot for thinking this is reflection?

Four students conducted the same science fair project to determine the battery life of a specific brand of batteries. Alice tested 4 batteries. Justin test

Find the value of x to the nearest tenth