LamijaH556785 LamijaH556785
  • 04-11-2022
  • Mathematics
contestada

If u = 2i - j; v= -5i + 4j and w = j find 4u (v -w).

Respuesta :

RamyahN176647 RamyahN176647
  • 04-11-2022

To find 4u (v -w)

First replace the terms

u = 2i - j; v= -5i + 4j and w = j

4u (v -w)

4(2i-j) ((-5i + 4j)-( j ))

4(2i-j) ((-5i + 4j- j ))

4(2i-j) ((-5i + 3j ))

8i - 4j((-5i + 3j ))

-40i² + 24ij +20ij -12j²

-40i² +44ij -12j²

Answer Link

Otras preguntas

Jugglers have long fascinated crowds with exciting tricks that appear to be almost magical. Unlike magicians, however, jugglers reveal everything. Apparently t
Essential amino acids are identified as such because
Muslims reference to Christians and Jews as people of the book, demonstrating they all share what belief?
Which products result in a difference of squares? Check all that apply. (x – y)(y – x) (6 – y)(6 – y) (3 + xz)(–3 + xz) (y2 – xy)(y2 + xy) (25x – 7y)(–7y + 25x)
If y=kxy=kxy, equals, k, x, where kkk is a constant, and y=24y=24y, equals, 24 when x=6x=6x, equals, 6, what is the value of yyy when x=5x=5x, equals, 5? Please
What is the reciprocal of -2 5/6? Is is just 2 6/5 (or 3 1/5)
The sum of a number times 2 and 22 is at least 19.
In Letter from Birmingham City Jail, why is King hopeful that his readers will agree with the need for brotherhood and equality among people? a. They are all b
The dialogue exchanged between Romeo and Juliet at their first meeting is in the form of a sonnet. What is Shakespeare’s purpose for using this style of languag
convert 38% into a fraction