1.

Find the normal equation for y of the equations 2x+3y+4z-7 = 0, x-4y+6z-9 = 0, having weights 3 and 2 respectively.

A. 48x-32y+8z-72 = 0
B. 32x-8y+48z-72 = 0
C. 8x-32y+48z-72 = 0
D. 8x-48y+32z-72 = 0
Answer» D. 8x-48y+32z-72 = 0


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