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If vec a=2 hat i-3 hat j+ hat k , hat b...

If ` vec a=2 hat i-3 hat j+ hat k , hat b=- hat i+ hat k , vec c=2 hat j- hat k` are three vectors, find the area of the parallelogram having diagonals `( vec a+ vec b)` and `( vec b+ vec c)dot`

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If vec a=2 hat i-3 hat j+ hat k ,\ vec b=- hat i+ hat k ,\ vec c=2 hat j- hat k are three vectors find the area of the parallelogram having diagonals ( vec a+ vec b)\ a n d\ ( vec b+ vec c)dot

If vec a= hat i+ hat j+ hat k , vec b= hat i- hat j+ hat k , vec c= hat i+2 hat j- hat k , then find the vaue of | vec adot vec a vec adot vec b vec adot vec c vec bdot vec a vec bdot vec a vec bdot vec a dot vec c dot vec a dot vec c dot vec a dot vec c dot vec a| .

If vec a= hat i+ hat j , vec b= hat j+ hat k , vec c= hat k+ hat i find the unit vector in the direction of vec a+ vec b+ vec cdot

If vec a=3 hat i- hat j-4 hat k , vec b=2 hat i+4 hat j-3 hat k and vec c= hat i+2 hat j- hat k , find |3 vec a-2 hat b+4 hat c|dot

If vec a= hat i+3 hat j-2 hat k\ a n d\ vec b=- hat i+3 hat k ,\ find \ | vec axx vec b|dot

If vec a= hat i+ hat j- hat k ,\ vec b=- hat i+2 hat j+2 hat k\ a n d\ vec c=- hat i+2 hat j- hat k , then a unit vector normal to the vectors a+b\ a n d\ b-c is

If vec a=3 hat i-2 hat j+ka n d vec b=2 hat i-4 hat j-3k , find | vec a-2 vec b|dot

If vec a^'= hat i+ hat j , vec b^'= hat i- hat j+2 hat k and vec c^' = 2 hat i+ hat j- hat k , then the altitude of the parallelepiped formed by the vectors vec a , vec b and vec c having base formed by vec b and vec c is (where vec a ' is reciprocal vector vec a )

If vec a= hat i+ hat j+ hat k , vec c= hat j- hat k , vec adot vec b=5 and vec ax vec b= vec c , then vec b is equal to

Let vec a= hat i+ hat j+ hat k , vec b= hat i- hat j+ hat ka n d vec c= hat i- hat j- hat k be three vectors. A vector vec v in the plane of vec a a n d vec b , whose projection on vec c is 1/(sqrt(3)) is given by a. hat i-3 hat j+3 hat k b. -3 hat i-3 hat j+3 hat k c. 3 hat i- hat j+3 hat k d. hat i+3 hat j-3 hat k

XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
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  2. If the three vectors vec a+ vec b , vec b+ vec c and vec c+ vec a ar...

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  3. If vec a=2 hat i-3 hat j+ hat k , hat b=- hat i+ hat k , vec c=2 hat ...

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  4. If y(x) is a solution of the differential equation ((2+sinx)/(1+y))...

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  6. If (x-y)dot e^((x/(x-y)) = a , Prove that y(dy)/(dx)+x=2ydot

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  7. Using properties of determinants, prove the following : |[a, a^2,bc]...

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  8. Write the value of the determinant |[p,p+1],[p-1,p]| .

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  9. Let S be the set of all rational number except 1 and * be defined on...

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  10. Find the distance of the point P(–1, –5, –10) from the point of int...

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  11. Find the equation of the plane that contains the point A(1,-1,2) and ...

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  12. A cottage industry manufactures pedestal lamps and wooden shades, e...

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  13. Find the shortest distance between the lines l1 and l2 whose vector ...

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  14. Find a unit vector perpendicular to both of the vectors vec a+ vec b ...

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  15. Find a vector in the direction of vector 2 hat i-3 hat j+6 hat k k whi...

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  16. Write the projection of vector hat i+ hat j+ hat k along the vector ...

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  17. Evaluate : int0^pi(xtanx)/(secx+tanx)dx

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  18. Show that a cylinder of a given volume which is open at the top has...

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  19. Find the area of the smaller region bounded by the ellipse (x^2)/9+(y^...

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  20. Write the value of cos^(-1)(-1/2)+2sin^(-1)(1/2)

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