1.

(i) ` x^(2) + 6x + 5 = 0` (ii) ` y^(2) -10y+21 = 0`A. x = y or no relation can be established between x and y.B. ` x le y`C. ` x ge y`D. ` x lt y`

Answer» Correct Answer - D
(i) ` x^(2) + 6x + 5 = 0`
` x^(2) + x + 5x + 5 = 0`
` x(x+1) +5(x+1) = 0`
` (x+5) (x + 1) = 0`
` x = -5, -1`
(ii) ` y^(2) - 10y + 21 = 0`
` y^(2) - 7y - 3y + 21 = 0`
` y(y -7) - 3 ( y -7) = 0`
` ( y - 3) ( y - 7) = 0`
` y = 3, 7`
` :. y gt x `


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