Concept drill

coefficient

GATE CSE & IT · Combinatorics · 2016-2016

PYQs

keyed

elite explanations

years appeared

Study anchor

Rosen — Discrete Mathematics and Its Applications

Discrete structures, counting, relations, graph theory

The coefficient of $${x^{12}}$$ in $${\left( {{x^3} + {x^4} + {x^5} + {x^6} + ...} \right)^3}\,\,\,\,\,\,$$ is _____________.