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What is the magnitude of the scalar prod...

What is the magnitude of the scalar product of the following vectors ?
`veca=hati+hatj,vecb=hati+hatk`

A

1

B

2

C

`sqrt(2)`

D

3

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AAKASH INSTITUTE-VECTOR ALGEBRA-ASSIGNMENT (SECTION-A)
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  10. If vecaxxvecb=vecaxxvec c,veca ne 0, then

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  13. Let veca,vecb ,vecc be three nonzero vectors such that veca+vecb+vecc...

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  15. ABCDEF is a regular hexagon where centre O is the origin, if the posit...

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  16. hati.(hatjxxhatk)+hatj.(hatixxhatk)+hatk.(hatixxhatj) is equal to

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  17. For any vector veca the value of (vecaxxhati)^2+(vecaxxhatj)^2+(vecaxx...

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  18. If |vecaxxvecb|=2,|veca.vecb|=2, then |veca|^(2)|vecb|^(2) is equal to

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  19. |(vecaxxvecb)|^(2) is eqaul to

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