Seudónimo
Seudónimo
01-02-2016
Mathematics
contestada
(3-5i)(2+9i)+(7+2i)(7-2i)
Respuesta :
Benjamin16
Benjamin16
01-02-2016
[tex]i^{2} = -1[/tex]
-----------------------------------------
[tex](3-5i)(2+9i)+(7+2i)(7-2i) = \\ \\ = 6 + 27i - 10i - 45i^{2} + 49 - 14i + 14i - 4i^{2} = \\ \\ =55 + 17i + 45 + 4 = \boxed{104 + 17i} [/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 49+ )
Otras preguntas
Given a list of candy in a field called Item and prices called Price on an empty PivotTable, how would you find out how many of each type of candy you have?
The patient drinking ounces of juice 4 ounces of broth and 6 ounces of Jell-O how much fluid is documented on his eyes and oh flowsheet
Which fact about the author's background most likely influenced this game? On the poem from blossoms
Which of the following is not accurate about the Arms Race? A. The Soviets spent about 50 percent of the gross of the national product on its military near the
Find the HCF of: 3x and 6x.
Can someone please help lol
sexually produced offspring are indentical to their parent . true or false ?
The specific U.S. Department of Health and Human Services (HHS) regulations that apply to research with children are known as Subpart D: Additional Protections
Which graph represents a direct variation relationship? y A 4 2- -4 2 2 2 -4 O У 1 2 x - 2 ż +2 4 4 2 2
the base of a right prism is an equilateral triangle each of whose sides measures 4cm.the altitude of the prism measures 5cm.Find the volume of the prism
