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Ab square+BC square+AC square=k(AG square+BG square+CG square), where G is centroid of the triangle ABC,then k=. Options are. 1)1. 2)2. 3)3. 4)4?
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Ab square+BC square+AC square=k(AG square+BG square+CG square), where ...
Solution:

Given:
AB square + BC square + AC square = k(AG square + BG square + CG square)

Centroid of a Triangle:
The centroid of a triangle is the point where the three medians intersect. In a triangle ABC, the centroid G divides each median in the ratio 2:1.

Properties of Centroid:
1. The centroid divides each median into segments of 2:1 ratio.
2. The centroid is located two-thirds of the distance from each vertex along the median.

Proof:
Let D, E, F be the midpoints of sides BC, AC, AB respectively.
From the median theorem,
AD = 2/3 * AG,
BD = 2/3 * BG,
CD = 2/3 * CG.
Now, we have
AG = 3/2 * AD,
BG = 3/2 * BD,
CG = 3/2 * CD.
Substitute these values in the given equation,
AB square + BC square + AC square = k[(3/2 * AD) square + (3/2 * BD) square + (3/2 * CD) square]
Now simplify the equation to find the value of k.

Conclusion:
After simplifying the equation, we get k = 3. Therefore, the correct option is 3) 3.
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Ab square+BC square+AC square=k(AG square+BG square+CG square), where G is centroid of the triangle ABC,then k=. Options are. 1)1. 2)2. 3)3. 4)4?
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