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Question 259 of 379MediumMCQ
Let a⃗=i^−2j^+k^\vec a=\hat i-2\hat j+\hat k, b⃗=i^−j^+k^\vec b=\hat i-\hat j+\hat k. If c⃗\vec c satisfies b⃗×c⃗=b⃗×a⃗\vec b\times\vec c=\vec b\times\vec a and c⃗⋅a⃗=0\vec c\cdot\vec a=0, then c⃗⋅b⃗\vec c\cdot\vec b is:
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