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Find the area of the triangle formed by `O ,A ,B` when ` vec O A= hat i+2 hat j+3 hat k , vec O B=-3 hat i-2 hat j+ hat kdot`

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RD SHARMA ENGLISH-VECTOR OR CROSS PRODUCT -All Questions
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  14. Using vectors: Prove that if a,b,care the lengths of three sides of a ...

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  15. Prove by vector method that the parallelogram on the same base and ...

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