Ak75713
Ak75713 Ak75713
  • 03-12-2017
  • Mathematics
contestada

Matrix question.....will pick brainiest

Evaluate the Determinant

[tex] \left[\begin{array}{ccc}X&1&-1\\X^2&X&X\\0&X&1\end{array}\right] [/tex]


Plz help.....thank you

Respuesta :

mathmate
mathmate mathmate
  • 03-12-2017
Expand by the bottom row:
0*([1,-1],[x,x]+x([-1,x],[x,x^2])+1([x,1],[x^2,x])
=0+x(-x^2-x^2)+1(x^2-x^2)
=0+(-2x^3)+1(0)
=-2x^3
Answer Link

Otras preguntas

URGENT what type of scavengers (heterotrophs) live in the twilight or Mesopelagic zone
Why does Persephone have to return to be Hades’ queen each year and what is the connection to pomegranates? Drawing of a man and woman. The man is wearing a dar
A ball is moving at 2 m/s and has a momentum of 12 kg•m/s. What is the ball's mass?
Identify two relevant Church teachings for the issue of bullying. Make sure to briefly explain (in your own words) the teaching. You can use the Youcat, Catechi
for question 18 how do get the answer?
Given ABCD is a rhombus, find the indicated angle measures m<1= m<2= m<3=
When proteins are denatured, which type of bond is not disturbed?.
Why is nerve fiber decussation in the optic chiasm important? chegg.
how to calculate how much someone weighs by calories
I need help Please! Please CAN SOMEONE ANYBODY HELP ME I NEED IT!