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Straight Lines and Pair of Straight Lines question

2022 · 27 Jun · Shift 1 · Q29
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  5. /2022 · 27 Jun · Shift 1 · Q29

Straight Lines and Pair of Straight Lines question

2022 · 27 Jun · Shift 1 · Q29

JEE MainMathematicsStraight Lines and Pair of Straight LinesMCQ+4 / −1
In an isosceles triangle ABC, the vertex A is (6, 1) and the equation of the base BC is 2x + y = 4. Let the point B lie on the line x + 3y = 7. If (α\alphaα, β\betaβ) is the centroid of Δ\DeltaΔ ABC, then 15(α\alphaα+β\betaβ) is equal to :
  1. A
    39
  2. B
    41
  3. C
    51
  4. D
    63
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