CBSE Class 12 science: Scalar Product of Two Vectors Videos | Scalar Product of two Vectors: introduction
Scalar Product of two Vectors: introduction
This video explains how to find the scalar product of two given vectors.
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18th sum plz
- find the equation of the plane passing through points A (a,0,0) , B (0,b,0) and C (0,0,c) . Reduce it to normal form. If plane ABC is at a distance of p from origion prove that (1/p^2) = (1/a^2) + (1/b^2) + (1/c^2)
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Find the scalar product of the vectors
and 
.
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Find the angle between the vectors
and 
.
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Find the scalar projection of the vector
on the vector 
.
-
If
, then show that 
or 
or 
.
-
Find the value of
for which the projection of 
on the vector 
is 4 units.
-
If
and
, then show that the angle between the vectors 
and
is right angle.
- Prove that the angle in a semi circle is a right angle
-
If
are unit vector such that
then find the value of
.