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If p ,q ,r are in A.P. then value of det...

If `p ,q ,r` are in A.P. then value of determinant `|[a^2+2^(n+1)+2p, b^2+2^(n+2)+3q, c^2+p], [2^n+p, 2^(n+1), 2q], [a^2+2^n+p, b^2+2^(n+1), c^2-r]|` is (a) `0` (b) Independent from `a , b , c` (c) `a^2b^2c^2-2^n` (d) Independent from `n`

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