Which of the following expression are polynomial

a.
1+1a+1a21a+1a2 +1z31z3

b.
m2+m−2m−mm2+m−2m−m

1 thought on “Which of the following expression are polynomial<br /><br />a.<br /> 1+1a+1a21a+1a2 +1z31z3<br /><br />b.<br />m2+m−2m−mm2+m−2m−m”

1. Answer : polynomial

   c) z + z2 + z5-7

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