What is the coefficient of x^6 in the expansion (1+x+x^2)^9. Explain please

Printable View

- Apr 6th 2010, 12:15 PMranyengCoefficient in the expansion
What is the coefficient of x^6 in the expansion (1+x+x^2)^9. Explain please

- Apr 6th 2010, 12:46 PMPlato
- Apr 6th 2010, 01:00 PMranyeng
Can you please explain with the above example( better if you write the steps)

- Apr 6th 2010, 01:05 PMPlato
- Apr 6th 2010, 01:43 PMawkward