Class 12Mathematics3 and 4 .Determinants and MatricesExpansion of determinants, Solution of equation in the form of determinants and area of triangle and Equation of Line
MediumThe planes $x = cy + bz, y = az + cx, z = bx + ay$ pass through one line,if
- A$a + b + c = 0$
- B$a + b + c = 1$
- C$a^2 + b^2 + c^2 = 1$
- D$a^2 + b^2 + c^2 + 2abc = 1$
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If the area of a triangle is $4$ sq. units whose vertices are $(k, 0), (4, 0)$ and $(0, 2)$,then the value of $k$ is . . . . . . .
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