are said to be collinear if,![\left[\begin{array}{ccc}x_1&y_1&z_1\\x_2&y_2&z_2\\x_3&y_3&z_3\end{array}\right] = 0](/tpl/images/0453/2536/6fdc9.png)
![\left[\begin{array}{ccc}2&5&3\\3&7&1\\1&4&4\end{array}\right] \\\\=2(28-4)-5(12-1)+3(12-7)\\= 8 \neq 0](/tpl/images/0453/2536/23fd8.png)
![\left[\begin{array}{ccc}0&-5&5\\1&-2&4\\3&4&2\end{array}\right] \\\\=0(-4-16)+5(2-12)+5(4+6)\\=0](/tpl/images/0453/2536/051bb.png)
Determine whether the points lie on straight line.
a. a(2, 5, 3), b(3, 7, 1), c(1, 4, 4)...
Mathematics, 13.01.2020 20:31 lilfofo9
Determine whether the points lie on straight line.
a. a(2, 5, 3), b(3, 7, 1), c(1, 4, 4)
b. d(0,-5,5), e(1,-2,4), f(3,4,2)
Answers: 3
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