Binomial Theorem

\({\left( {5 + x} \right)^{500}} + x{\left( {5 + x} \right)^{499}} + {x^2}{\left( {5 + x} \right)^{498}} + ..... + {x^{500}},x > 0\), এই রাশিমালাতে \({x^{101}}\) এর সহগ কত ?