Question

6. Add the following:
(i) xy + yz, xy - zx, zx - xy
(ii) l - m + lm, m-n + mn, n-1 + In
(iii) 2x2y2 - 3xy + 4,5 + 7xy - 3x+y2
(iv) x2 + y2, y2 +22, 22 + x2, 3xy + 3yz + 3zx
(v) 7xy + 5yz - 3zx, 4yz + 9zx - 4y,
- 3x2 + 5x - 2xy​

Answer 1

Step-by-step explanation:

1.(xy+xy-xy)+yz+(-zx+zx)