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RD SHARMA ENGLISH-SCALAR OR DOT PRODUCT-All Questions
- prove by vector method that the sum of the squares of the diagonals...
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- prove that the diagonals of a rectangle are perpendicular if and on...
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- Using analytical geometry, prove that the diagonals of a rhombus are ...
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- If | vec a|=a and | vec b|=b , prove that ( vec a/(a^2)- vec b/(b^2))^...
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- If vec a= hat i- hat j and vec b=- hat j+2 hat k , find ( vec a-2 ve...
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- Find the angles which the vector vec a= hat i- hat j+sqrt(2) hat k ma...
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- Dot product of a vector with hat i+ hat j-3 hat k , hat i+3 hat j-2 h...
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- Find vec adot vec b , when (i) vec a= hat i-2 hat j+ hat k and ve...
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- For what value of lambda are the vector vec a and vec b perpendi...
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- If vec a and vec b are two vectors such that | vec a|=4,| vec b|=3 a...
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- Find the angles of a triangle whose vertices are A(0,-1,-2),B(3,1,4...
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- Find the projection of vec b+ vec c on vec a , where vec a = 2 hat ...
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- Find the values of x and y if the vectors vec a=3 hat i+x hat j...
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- In a quadrilateral A B C D , prove that A B^2+B C^2+C D^2+D A^2=A C^2+...
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- If vec a and vec b are two non-collinear unit vectors such that | ...
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- If vec a , vec b are two vectors such that | vec a+ vec b|=| vec b...
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- If vec c is perpendicular to both vec a and vec b , then prov...
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- If vec a. vec a=0 and vec a. vec b=0, what can you conclude about th...
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- If vec a , vec b , vec c are three non coplanar vectors such that ...
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- If a vector vec a is perpendicular to two non-collinear vector vec b...
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