4. When (1-2x)^p is expanded, the coefficient of x^2 is 40. Given that p>0, use this information to find:

1. the value of te constant p.

2. the coefficient of x.

3. The coefficient of x^3.

Explain it to me please!!! Thank you

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- Feb 10th 2009, 02:32 AMthereddemonbinominal expansion
4. When (1-2x)^p is expanded, the coefficient of x^2 is 40. Given that p>0, use this information to find:

1. the value of te constant p.

2. the coefficient of x.

3. The coefficient of x^3.

Explain it to me please!!! Thank you - Feb 10th 2009, 04:34 AMPlato