Question

Are the vectors X1 =(1,3,4,2) , X2= (3,-5,2,2) ,X3= (2,-1,3,2) L.D.?

If so,express one of these as a linear combination of the following

Answer 1

Answer:

Show that 1/r square + 1/r1 square + 1/r2 square + 1/r3 square = a square + b square +c square / delta square