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Solve `log_(1//2)(x^(2)-6x+12) ge -2`. |
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Answer» Correct Answer - ` x in [2, 4]` `x^(2) - 6x+ 12 le (1/2)^(-2)` ` or x^(2) - 6x + 8 le 0` ` or (x-2)(x-4) le 0` ` rArr x in [2, 4]` `"Also, " x^(2) - 6x+12 gt 0 or (x-3)^(2) + 3 gt 0" which is true for any real x. Hence, "x in [2, 4]`. |
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