1.

सदिश `3hati-4hatj+12hatk` की दिककोज्या ज्ञात कीजिये।

Answer» Correct Answer - `(3)/(13),(-4)/(13),(12)/(13)`
`|3hati-4hatj+12hatk|=sqrt(169)=13`
अभीष्ट दिककोज्या `=(3)/(13),(-4)/(13),(12)/(13)`


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