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Previous Year Question (PYQs)



If $\vec{e_1}=(1,1,1)$ and $\vec{e_2}=(1,1,-1)$ and $\vec{a}$ and $\vec{b}$  and two vectors such that $\vec{e_2}=\vec{a}+2\vec{b}$ , then angle between $\vec{a}$ and $\vec{b}$





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Devesh Shukla-pic
Devesh Shukla , Fully Verified
Commented Apr 15 , 2023
Question is Incomplete add e1 = 2a +b

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