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Let A(3, 2, - 4) and B(9, 8, -10) be two...

Let A(3, 2, - 4) and B(9, 8, -10) be two points. Let` P_1` divide AB in the ratio 1: 2 and `P_2` divide AB in the ratio 2 : 1. If the point `P(alpha, beta, gamma)` divides `P_1P_2` in the ratio 1:1, then` alpha + 2 beta + 2 gamma ` =

A

1

B

2

C

3

D

4

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B
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