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If ` vec a+ vec b+ vec c= vec0,\ vec|a|=3,\ | vec b|=5\ a n d\ | vec c|=7` find the anglebetweeen ` vec a\ a n d\ vec b`

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RD SHARMA ENGLISH-SCALAR OR DOT PRODUCT-All Questions
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  3. If vec a+ vec b+ vec c= vec0,\ vec|a|=3,\ | vec b|=5\ a n d\ | vec c...

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  6. If vec a ,\ vec b ,\ are two vectors such that | vec a+ vec b|=| ve...

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  7. The scalar product of the vector vec a= hat i+ hat j+ hat k with a un...

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  8. If vec a ,\ vec b ,\ vec c are three vectors such that vec adot ve...

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  15. Let vec a ,\ vec b ,\ vec c be three vectors of magnitudes 3, 4 and...

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