JEE Math Practice Question
Let $$\mathrm{P}$$ be the plane passing through the line $$\frac{x-1}{1}=\frac{y-2}{-3}=\frac{z+5}{7}$$ and the point $$(2,4,-3)$$. If the image of the point $$(-1,3,4)$$ in the plane P is $$(\alpha, \beta, \gamma)$$ then $$\alpha+\beta+\gamma$$ is equal to :
- A.10
- B.12
- C.9
- D.11
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