RD SHARMA ENGLISH-SCALAR OR DOT PRODUCT-All Questions
- Find the angle between two vectors vec aa n d vec b with magnitudes s...
01:40
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- Find the angle between the vectors 5hat i+3 hat j+4 hat k and 6 hat i...
03:10
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- Find the projection of the vector 7 hat i+ hat j-4 hat kin vec a=2 hat...
03:06
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- For any vector vec r , prove that vec r=( vec r . hat i) hat i+( vec...
01:44
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- Find veca * vec b when vec a=2 hat i+2 hat j- hat ka n d vec b=6...
03:07
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- Find the value of lambda so that the vectors vec a=2 hat i+lambda hat...
02:04
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- Find the value of p for which the vectors vec a=3 hat i+2 hat j+9 ha...
04:15
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- Find the values of ' a ' which the vector vec r=(a^2-4) hat i+2 hat j...
03:22
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- If vec a , vec b , vec c are unit vector, prove that | vec a- vec b|...
03:15
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- If vec a , vec b , vec c are mutually perpendicular unit vectors, fin...
04:45
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- Find the value of c for which the vectors vec a=(clog2x) hat i-6 hat...
04:33
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- Let vec a= hat i+4 hat j+2 hat k ,\ \ vec b=3 hat i-\ 2 hat j+7 hat ...
06:26
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- Dot products of a vector with vectors 3 hat i-5 hat k ,2 hat i+7 hat j...
04:26
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- Let vec a , vec b , vec c be three vectors such that | vec a|=1,| vec...
03:13
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- (Cosine Formulae) if a ,b ,c are the lengths of the sides opposite res...
07:44
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- Prove that the altitudes of a triangle are concurrent.
03:58
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- Find the components of a unit vector which is perpendicular to the ...
03:36
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- If a unit vector vec a makes angle pi//3 with hat i ,pi//4 with hat...
04:19
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- If hat aa n d hat b are unit vectors inclined at an angle theta , t...
02:19
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- If two vectors vec aa n d vec b are such that |veca|=3, |vecb|=2 and...
02:04
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