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A=|[a,b,c],[p,q,r],[x,y,z]| Under whic...

`A=|[a,b,c],[p,q,r],[x,y,z]|`
Under which of the following conditions will `|A|` be equal to 0?
(i) `a - 2p = b - 2q = c - 2r = 0`
(ii) `x = y = z = 0`
(iii) `a : b : c = x : y : z`

A

only (ii)

B

only (i) and (ii)

C

only (i) and (iii)

D

all (i), (ii) and (iii)

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