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Assertion: The shortest distance between...

Assertion: The shortest distance between the skew lines `vecr=veca+alphavecb and vecr=vecc+beta vecd is (|[veca-vecc vecb vecd]|)/(|vecbxxvecd|)`, Reason: Two lines are skew lines if they are not coplanar. (A) Both A and R are true and R is the correct explanation of A (B) Both A and R are true R is not te correct explanation of A (C) A is true but R is false. (D) A is false but R is true.

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