Let $\vec{a}=\hat{i}+\hat{j}+2 \hat{k}$ and $\vec{b}=-\hat{i}+2 \hat{j}+3 \hat{k}$. Then the vector

Question

Let $\vec{a}=\hat{i}+\hat{j}+2 \hat{k}$ and $\vec{b}=-\hat{i}+2 \hat{j}+3 \hat{k}$. Then the vector product $(\vec{a}+\vec{b}) 	imes((\vec{a} 	imes((\vec{a}-\vec{b}) 	imes \vec{b})) 	imes \vec{b})$ is equal to\

Professor PC Thomas Classes · Answer

(b) :