Use the binomial formula to find the coefficient of the p^16s term in the expansion of (p-2s)^17

Answer 1

(p - 2s)¹⁷ = (₁₇C₀) p¹⁷(-2s)⁰ + (₁₇C₁) p¹⁶(-2s)¹ + (₁₇C₂) p¹⁵(-2s)² + ..+ (₁₇C₁₇) p⁰(-2s)¹⁷

2nd term = (₁₇C₁) p¹⁶(-2s)¹= -34 p¹⁶s