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A : If a = I - j + k, b = I - 2j - k and...

A : If a = I - j + k, b = I - 2j - k and c = 2i + pj + 5k are coplanar then p = -1/2
R: vectors a,b,c are coplanar if [a b c] = 0

A

A,R are true, R is correct explanation of A

B

A, R are true, R is not correct explanation of A

C

A is correct R is false

D

A is false R is true

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The correct Answer is:
A
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