Euler Project Promblem 138 /Pell Equation/特殊勾股数整数通解
Problem138Considertheisoscelestrianglewithbaselength,b=16,andlegs,L=17.ByusingthePythagoreantheoremitcanbeseenthattheheightofthetriangle,h=(17282)=15,whichisonelessthanthebaselength.Withb=272andL=305,