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What is the correct answer?


For the given values of initial velocity of projection and angle of inclination of the plane, the maximum range for a projectile projected upwards will be obtained, if the angle of projection is

A. α = π/4 - β/2

B. α = π/2 + β/2

C. α = β/2 - π/2

D. α = π/4 - β/2

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