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`aa n db` form the consecutive sides of a regular hexagon `A B C D E Fdot` Column I, Column II If ` vec C D=x vec a+y vec b ,` then, p. `x=-2` If ` vec C E=x vec a+y vec b ,` then, q.`x=-1` If ` vec A E=x vec a+y vec b ,` then, r. `y=1` ` vec A D=-x vec b ,` then, s.`y=2`

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