If both the roots of $k(6x^2 + 3) + rx + 2x^2 - 1 = 0$ and $6k(2x^2 + 1) + px + 4x^2 - 2 = 0$ are common,then $2r - p$ is equal to
- A$-1$
- B$0$
- C$1$
- D$2$
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DifficultIIT 2011
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