## Algebra and Trigonometry 10th Edition

$(a+6)^4=a^4+24a^3+216a^2+864a+1296$
Fourth row of Pascal's Triangle: $1~~4~~6~~4~~1$ $(a+6)^4=(1)a^4+(4)a^3(6)+(6)a^2(6^2)+(4)a(6)^3+(1)(6)^4=a^4+24a^3+216a^2+864a+1296$