1/1*3+1/3*5+1/5*7+1/7*9+1/9*11+1/11*13+1/13*15+1/15*17+1/17*19+1/19*21+1/21*23+1/23*25+1/25*27+1/27*29+1/29*31+1/31*33+1/33*35+1/35*37+1/37*39+1/39*41+1/41*43+1/43*45++1/45*47+1/47*49+1/49*51+1/51*53+1/53*55+1/55*57+1/57*59+1/59*61+1/61*63+1/63*65+
2*5-2*5-510-10-5=-5 не является корнем.