Q5Short answer
x x+4 x 6. 2b b−c−a 2b x x x+4 2c 2c c−a−b Using the proprties of determinants in Exercises 7 to 9, prove that: y2 z2 yz y+z y+z z y 2 2 z x zx z+x = 0 z z+x x = 4 xyz
x x+4 x 6. 2b b−c−a 2b x x x+4 2c 2c c−a−b Using the proprties of determinants in Exercises 7 to 9, prove that: y2 z2 yz y+z y+z z y 2 2 z x zx z+x = 0 z z+x x = 4 xyz