subject
Mathematics, 06.06.2021 18:30 tammycute01

Without expanding the determinants, show that the value of exach of the following determinants is zero. 1) \left[\begin{array}{ccc}1&w&w^{2} \\w&w^{2} &1\\w^{2} &1&w^{2} \end{array}\right]
2) \left[\begin{array}{ccc}1&bc&a(b+c)\\1&ca&b(c+a)\\1&ab&c(a+b)\end{array}\right]
3)\left[\begin{array}{ccc}1&bc&bc(b+c)\\1&ca&ca(c+a)\\1&ab&ab(a+b)\end{array}\right]
4)\left[\begin{array}{ccc}(a-b)&(b-c)&(c-a)\\(b-c)&(c-a)&(a-b)\\(c-a)&(a-b)&(b-c)\end{array}\right]

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 13:20
Aboard game uses a fair six-sided die and a spinner with five equal-sized sections colored dark blue, green, light blue, red, and yellow. players roll the die and then spin the spinner. match each probability statement to its correct value.
Answers: 1
question
Mathematics, 21.06.2019 18:30
This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤
Answers: 2
question
Mathematics, 21.06.2019 21:00
Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.
Answers: 1
question
Mathematics, 22.06.2019 01:20
Find the axis of symmerty for x y=x squared -4x-8
Answers: 1
You know the right answer?
Without expanding the determinants, show that the value of exach of the following determinants is ze...
Questions
question
Mathematics, 04.02.2020 16:44
Questions on the website: 13722367