MathematicsEasy202×since 2002Q5686If the vectors AB→=3i^+4k^\overrightarrow {AB} = 3\widehat i + 4\widehat kAB=3i+4k and AC→=5i^−2j^+4k^\overrightarrow {AC} = 5\widehat i - 2\widehat j + 4\widehat kAC=5i−2j+4k are the sides of a triangle ABC,ABC,ABC, then the length of the median through AAA is :A18\sqrt {18}18B72\sqrt {72}72C33\sqrt {33}33D45\sqrt {45}45Check answerSkip