If centroid of the triangle formed by the points (α2,2α)(3α,1−α) and (1,3) is (13,13), then centroid of the triangle formed by the points (2α−1,α3)(1−3α,2α2+3) and (0,−3α) is
A
(1,1)
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B
(1,0)
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C
(13,1)
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D
(0,1)
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Solution
The correct option is A(1,1) Centriod of the triangle formed by the given points is (α2+3α+13,4+α3)≡(13,13) ⇒α=−3
∴ Centroid of the triangle formed by (2α−1,α3),(1−3α,2α2+3) and (0,−3α) is (−α3,α3+2α2−3α+33)≡(1,1)