Answers

2014-08-05T18:43:25+08:00
Using quadratic formula: x = ( -38 + sqrt ((38)^2 - 4(49)(13)) / 2(49)) (-38 - sqrt ((38)^2 - 4(49)(13)) / 2(49)); therefore, x = 931 - 98i sqrt(69) and 931+ 98i sqrt(69).
0