Question

Let a line with direction ratios a, -4a, -7 be perpendicular to the lines with direction ratios 3, -1, 2b and b, a, -2. If the point of intersection of the line x + 1 / a² + b² = y - 2 / a² - b² = z/1 and the plane x – y + z = 0 is (α, β, γ), then α + β + γ is equal to _____.

Answer 1

Correct answer is 10