Question

if x+y +z, then x3+y3+z3 is​

Answer 1

Step-by-step explanation:

x=y+z,

x³-y³-z³=3xyz

(x+y)³-y³-z³=3xyz.

z³+y³+3zy(y+z)-y³-z³

=3(y+z)yz

=0

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