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In q-5 of ,NCERT-12,ex 10.2 "Find λ and μ if (2i+6j+27k)x(i+λj+μk)=0" Since the vector product is zero, the two vectors are parallel right? When vectors are parallel, their direction ratios are equal right? So is λ=6 and μ=27?

In q-5 of ,NCERT-12,ex 10.2 "Find λ and μ if      (2i+6j+27k)x(i+λj+μk)=0"
Since the vector product is zero, the two vectors are parallel right? When vectors are parallel, their direction ratios are equal right? So is λ=6 and μ=27?  

Grade:12

2 Answers

Arun
25763 Points
one year ago
Dear student
 
if vectors are parallel then their direction ratio are in constant proportion.
 
Hence 2/1 = 6/lambda = 27/Mu
 
lambda = 3
Mu = 27/2
Vikas TU
14149 Points
one year ago
Dear student 
Please follow this link for better understanding 
Good Luck 

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