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(i) ` x^(2) - 5x-14 = 0` (ii) ` 2y^(2) +11y + 14 = 0`A. ` x ge y`B. ` x le y`C. ` x gt y`D. `x lt y` |
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Answer» Correct Answer - A (i) `x^(2)-5x-14=0` `x^(2)+2x-7x-14=0` `x(x+2)-7(x+2)=0` `(x-7)(x+2)=0` `x=7,-2` (ii) `2y^(2)+11y+14=0` `2y^(2)+7y+4y+14=0` `y(2y+7)+2(2y+7)=0` `y=-2,-(7)/(2)` `xgey` |
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