MathematicsHard202×since 2002Q5793a→=3i^−5j^\overrightarrow a = 3\widehat i - 5\widehat ja=3i−5j and b→=6i^+3j^\overrightarrow b = 6\widehat i + 3\widehat jb=6i+3j are two vectors and c→\overrightarrow cc is a vector such that c→=a→×b→\overrightarrow c = \overrightarrow a \times \overrightarrow bc=a×b then ∣a→∣:∣b→∣:∣c→∣\left| {\overrightarrow a } \right|:\left| {\overrightarrow b } \right|:\left| {\overrightarrow c } \right|a:b:c =A34:45:39\sqrt {34} :\sqrt {45} :\sqrt {39}34:45:39B34:45:39\sqrt {34} :\sqrt {45} :3934:45:39C34:39:4534:39:4534:39:45D 39:35:34\,39:35:3439:35:34Check answerSkip