# Math Coll

posted by
**Genie_math** on
.

Find the coeficient of x^18 y^32 z^25 in (x + y + z)^75? How many monomials appear in the expansion of (x + y + z)^75?

posted by
**Genie_math** on
.

Find the coeficient of x^18 y^32 z^25 in (x + y + z)^75? How many monomials appear in the expansion of (x + y + z)^75?