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[(veca,vecb,axxvecb)]+(veca.vecb)^(2)=...

`[(veca,vecb,axxvecb)]+(veca.vecb)^(2)=`

A

`|veca|^(2)|vecb|^(2)`

B

`|veca+vecb|^(2)`

C

`|veca|^(2)+|vecb|^(2)`

D

none of these

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OBJECTIVE RD SHARMA-SCALAR AND VECTOR PRODUCTS OF THREE VECTORS -Exercise
  1. Prove that vectors vecu=(al+a(1)l(1))hati+(am+a(1)m(1))hatj + (an+a(...

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  2. If vecax(vecaxxvecb)=vecbxx(vecbxxvecc) and veca.vecb!=0, and [(veca,v...

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  3. [(veca,vecb,axxvecb)]+(veca.vecb)^(2)=

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  4. Let vec(alpha),vec(beta) and vec(gamma be the unit vectors such that v...

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  5. If veca,vecb and vecc are unit coplanar vectors, then [(2veca-3vecb,...

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  6. If [(veca,vecb,vecc)]=3, then the volume (in cubic units) of the paral...

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  7. If V is the volume of the parallelopiped having three coterminous edge...

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  8. The unit vector veca and vecb are perpendicular, and the unit vector v...

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  9. If the vector vec(AB)=-3hati+4hatk and vec(AC)=5hati-lamdahatj+4hatk ...

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  10. Let veca and vecb be two mutually perpendicular unit vectors and vecc ...

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  11. Let the position vectors of vertices A,B,C of DeltaABC be respectively...

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  12. The position vector of a point P is vecr=xhati+yhatj+zhatk where x,y,z...

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  13. veca and vecb are two unit vectors that are mutually perpendicular. A...

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  14. If the vectors 2ahati+bhatj+chatk, bhati+chatj+2ahatk and chati+2ahatj...

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  15. Let vec(alpha)=ahati+bhatj+chatk,vecb=bhati+chatj+ahatk and vec(gamma)...

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  16. Let veca,vecb,vecc be three mutually perpendicular vectors having same...

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  17. Let veca,vecb and vecc be the three non-coplanar vectors and vecd be a...

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  18. Let vecr be a unit vector satisfying vecrxxveca=vecb, where |veca|=sqr...

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  19. Let veca and vecc be unit vectors such that |vecb|=4 and vecaxxvecb=2(...

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  20. If 4veca+5vecb+9vecc=vec0 then (vecaxxvecb).{(vecbxxvecc)xx(veccxxveca...

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