Question

2. If A = x - 2y + z, B = -2x + y + z and C = x + y – 2z then find.
(v) A +B-C ​

Answer 1

Answer:

Given that ,

A=x-2y+z

B=-2X+y+z

C=x+y-z

to find A+B-C ------(1)

now putting the values in (1)

x-2y+z+(-2x+y+z)-(x+y-z)

x-2y+z-2x+y+z-x-y+z

-2X+3z+0

=3z-2x