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If a =2hati+3hatj+4hatk and b =4hati+3ha...

If `a =2hati+3hatj+4hatk and b =4hati+3hatj +2hatk` ,find the angel between a and b.

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The correct Answer is:
A, B, C
`theta = cos^(-1) ((a.b)/(ab)).`
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DC PANDEY-VECTORS-Subjective
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  7. Prove that vecA.(vecAxxvecB)=0

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  8. Find the resultant of the three vectors shown in figure (2W1). .

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  9. Given an example for which vecA.vecB=vecC.vecB but vecA!=vecC.

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  12. Find the area of the parallelogram whose sides are represented by 2hat...

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  13. If vectors A and B be respectively equal to 3hati - 4hatj + 5hatk and ...

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  17. Let vecA and vecB be the two vectors of magnitude 10 unit each. If the...

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  19. Find the components of a vector A = 2hati + 3hatj along the direction...

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