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7 Nov 2022
k/k + 5 + 5/k + 3 = -2k/k^2 + 8k + 15 LCD = (k + 3)(k + 5) k(k + 3) + 5(k + 5) = -2k k^2 + 3k + 5k + 25 = -2k k^2 + 8k + 25 = -2k k^2 + 10k + 25 = 0 (k + 5)^2 = 0 k = -5 2x - 9/x - 5 - x^2 + 4x - 5/x^2 - 25 = 2x - 9/x - 5 - (x + 5)(x - 1)/(x - 5)(x + 5)
k/k + 5 + 5/k + 3 = -2k/k^2 + 8k + 15 LCD = (k + 3)(k + 5) k(k + 3) + 5(k + 5) = -2k k^2 + 3k + 5k + 25 = -2k k^2 + 8k + 25 = -2k k^2 + 10k + 25 = 0 (k + 5)^2 = 0 k = -5 2x - 9/x - 5 - x^2 + 4x - 5/x^2 - 25 = 2x - 9/x - 5 - (x + 5)(x - 1)/(x - 5)(x + 5)
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vardhiniLv1
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