The dir cosines of two lines are related by l+m+n=0 & a(l)2+b(m2+c(n)2=0 the lines
M.EBENEZER , 8 Years ago
Grade 11
Vectors> The dir cosines of two lines are related ...
1 Answers
Sourabh Singh
Last Activity: 8 Years ago
Represent one in the form of other two. Then make a quadratic and frame a relationship between the other two in order to get the answer
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