vectors question
How do you do this question? The answer is given as (d) zero. Is it possible to dot a scalar and a vector?
23 Replies
@Gyro Gearloose
Note for OP
+solved @user to close the thread when your doubt is solved. Mention the user who helped you solve the doubt. This will be added to their stats.zero hai
this is nothing but the scalar triple product ka definition
and two vectors are same, matlab two rows same ho gaye
therefore determinant ki property laga ke
STP = 0
therefore answer is zero
nah arrow is missing
typo hai, cuz if A is another constant, options me hota A without vector sign but nahi h, therefore
it isn't scalar triple product unless it's a printing mistake
Split hota hai
A aint a scalar bhai, a is a vector typo hai wo
Thanks for the reply, what's STP? I'm not aware of properities of determinants either
scalar triple product
aapne vectors puri nahi padhi?
raw?
Yes, 1st chapter of physics in coaching (11th grade)
11th m hai 😭😭 hoga vo bhai mere stp kya bata rha usko
haa toh? in the question it's a scalar not a vector... that's where the confusion arises
are nahi nahi, aap maths me ye sab padhoge, without scalar triple product ke samjhau toh fir, A x B will be normal to both vectors A and B toh yeh resultant vector jo aayega, that will be at 90 degrees with A vector toh uske saath dot product karoge toh cos theta wala component aayega, therefore cos 90 = 0 therefore answer is zero
abe its a misprint. if A is scalar then how u can take cross product
mujhe kya pata 😭
Got it now, thank you!!
that was clarified already
close the thread then
+solved @.sidd.
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