I. 64x2 - 64x + 15 = 0
II. 21y2 - 13y + 2 =0
I. 64x - 64x + 15 = 0 64x - 24x - 40x + 15 = 0 8x (8x - 3 ) - 5 ( 8x - 3 ) = 0 (8x - 5 ) ( 8x - 3) = 0 x = `(3)/(8)` , `(5)/(8)` II. 21y2 - 13y + 2 =0 21y2 - 7y - 6y + 2 = 0 7y ( 3y - 1 ) -2 ( 3y - 1 ) = 0 y = `(2)/(7)` , `(1)/(3)` Hence, x > y
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