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Let vec a= hat i+2 hat j+hat k,vec b=3(h...

Let `vec a= hat i+2 hat j+hat k,vec b=3(hat i-hat j+hat k)` .Let `vec c` be the vector such that `vec a timesvec c=vec b` and `vec a*vec c=3` .Then `vec a*((vec c timesvec b)-vec b-vec c)` is equal to:

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2024-Questions
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