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What is the correct answer?

4

The range of projectile (R) on an upward inclined plane is

A. g. cos² β/2u². sin (α + β). cos α

B. 2u². sin (α + β). cos α/g. cos² β

C. g. cos² β/2u². sin (α - β). cos α

D. 2u². sin (α - β). cos α/g. cos² β