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JEE MAIN - Mathematics Hindi (2002 - No. 31)

$$\overrightarrow a = 3\widehat i - 5\widehat j$$ और $$\overrightarrow b = 6\widehat i + 3\widehat j$$ दो वेक्टर हैं और $$\overrightarrow c $$ एक ऐसा वेक्टर है जिसके लिए $$\overrightarrow c = \overrightarrow a \times \overrightarrow b $$ तब $$\left| {\overrightarrow a } \right|:\left| {\overrightarrow b } \right|:\left| {\overrightarrow c } \right|$$ =
$$\sqrt {34} :\sqrt {45} :\sqrt {39} $$
$$\sqrt {34} :\sqrt {45} :39$$
$$34:39:45$$
$$\,39:35:34$$

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