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(i)` 2x^(2)-17x+21 =0` (ii)` 5y^(2)-32 + 35 = 0`A. `x lt y`B. ` x gt y`C. x = y or no relation can be established between x and y.D. ` x le y` |
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Answer» Correct Answer - C (i) ` 2x^(2) - 17x + 21 =0` ` 2x^(2) - 14x - 3x + 21 = 0` ` 2x(x-7) -3 ( x -7) = 0` ` (2x -3) (x-7) = 0` ` x = 3/2 , 7` (ii) ` 5y^(2) - 32y+35 = 0` ` 5y^(2) - 25y - 7y + 35 = 0` ` 5y(y-5) -7(y-5) = 0` `(5y-7) (y-5) = 0` ` y = 7/5, 5` `:. ` No relation can be established between x and y |
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