001071376 001071376

25-10-2018
Mathematics

contestada

Which is the product of the following numbers?

−4 (−3 + 9i )( 5 − 6i )

Respuesta :

jimrgrant1 jimrgrant1

25-10-2018

expand (- 3 + 9i )(5 - 6i ) using the FOIL method

= - 4 (- 15 + 18i + 45i - 54i² ) → i² = (√- 1 )² = - 1

= - 4 (- 15 +63i + 54 )

= - 4 (39 + 63i ) ( distribute by - 4 )

= - 156 - 252i ← in standard form

Answer Link

Otras preguntas

neptune is 4,498,252,900 kilometers from the sun. Which distance is 200,000,000 kilometers closer to the sun?

Which is the best definition of " value "

Communism and fascism are two forms of totalitarianism True False

Which process do offspring receive traits from both their mother and father

Number 46,47,48 show work

A student evaluated -4+x for x= -9 1/2 and got the answer 5 1/2 what did the student do wrong

what types of DNA are in the human body

What would be the magnification of a specimen viewed with a compound light microscope that has an objective power of 40x and an ocular lens power of 10x?

weapons used in 1775 battle of ticonderoga

El café con leche mío está caliente.