Question

a) If X-Y-Z and d ( X,Y) = 3 , d (X, Z) = 11 , then find d ( Y, Z) .

Answer 1

Answer:

d( x,y) + d( y ,z ) = d (x,z ) ............x-y-z

3+ d(y,z) = 11

d(y,z ) = 11- 3

d( y,z ) = 8