A vector a is parallel to the line of intersection of the plane determined by the vectors \( \ha... VIDEO
A vector a is parallel to the line of intersection of the plane determined by the vectors \( \hat{i}, \hat{i}+j \) and the plane determined by the vectors \( \hat{i}-\hat{j}, \hat{i}+\hat{k} \). The obtuse angle between \( a \) and the vector \( b=\hat{i}-2 \hat{j}+2 k \) ishttps://bit.ly/YTAI_PWAP https://www.pw.live
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