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Grade 12Modern Physics

Plz answer it as soon as possible I just didnt get the point how to take the vectors

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Profile image of Nikhil
7 Years agoGrade 12
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1 Answer

Profile image of Arun
7 Years ago
Dear Nikhil
 
a vector in plane of b and c = tb + sc = (t + s) i + (2t + s) j + ( – t – 2s) k
 
now its projection on a = 2 t + 2s – 2t – s – t – 2s / sqrt (6)  = sqrt (2/3)
 
now solve for t and s.
then you can check options