Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions

[\left[\begin{array}{ccc}i&j\\a&b\\c&d\end{array}\right] . this is determinant method in which ad - bc is done. i want to know why there is

negative sign in between why not positive?



This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
I think it is because + value is ignored or it may not be determined whether it is positive or negative.
0 0 0
i want to know that why the positive value is ignored???
wats d reason behind it??
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts