The number coefficient in -xyz is:
1
0
2
-1
-xyz can be written as -1×x×y×z
The numerical coefficient of -xyz is -1.
Hence ,option d is the correct answer.
The coefficient of x in the term -3xyz is
3xyz is a trinomial
How (x3+y3)+z3-3xyz = [(x+y)3-3xy(x+y)]+z3-3xyz