02-11-2016
Mathematics

contestada

simplify 5i × i × -2i = ??

Respuesta :

shannonmarie16 shannonmarie16

02-11-2016

5 i x i x - 2 i = 10 i

Answer Link

02-11-2016

i = √-1
i² = -1
i³ = -√-1 = -i

   (5i) · (i) · (-2i)

   = (5 · 1 · -2) i³

   = -10 i³ = 10 i

Answer Link

Otras preguntas

How long ago was the constitution written?

) The integumentary system includes diseases of the ________.

The length of a rectangle is 3cm more than twice it's width. The perimeter of the rectangle is 65 square cm. Determine the length and width of the rectangle

What is y in y*6 for y=2/3?

What are the nitrogenous bases found in dna?

Factor x3 4x2 3x + 18 = 0, given that 3 is a zero.

Insects known as walking sticks move very slowly. They can move 2 inches every 5 seconds. At this rate, how far could a walking stick go in 30 seconds? ___inche

60 divide by p as a fraction

Researchers have found a gene in yeast that codes for a myosin protein which is also coded by genes in humans. What does this similarity at the molecular level

I need help with this ^^