47. Select the value(s) of x for which the determinants of the two matrices are equal. (A) √3 (B) 3 (C) −1 (D) −√3 Reconstructing a Mathematically Consistent Determinant Equation […]
45. Let XYZ be an equilateral triangle and let P, Q, R be the midpoints of YZ, XZ, and XY, respectively. If: r = Area(△PQR) / Area(△XYZ) then find the value […]