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The length of the perpendicular from the...

The length of the perpendicular from the origin to the plane passing through the points `veca` and containing the line `vecr = vecb + lambda vecc` is

A

`([(veca,vecb,vecc)])/(|vecaxxvecb+vecbxxvecc+veccxxveca|)`

B

`([(veca,vecb,vecc)])/(|vecaxxvecb+vecbxxvecc|)`

C

`([(veca,vecb,vecc)])/(|vecbxxvecc+veccxxveca|)`

D

`([(veca,vecb,vecc)])/(|veccxxveca+vecaxxvecb|)`

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The correct Answer is:
C
NA
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