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Simplifying ln(x2 + 1) + ln(x2 + -1) = 0 Reorder the terms: ln(1 + x2) + ln(x2 + -1) = 0 (1 * ln + x2 * ln) + ln(x2 + -1) = 0 (1ln + lnx2) + ln(x2 + -1) = 0 Reorder the terms: 1ln + lnx2 + ln(-1 + x2) = 0 1ln + lnx2 + (-1 * ln + x2 * ln) = 0 1ln + lnx2 + (-1ln + lnx2) = 0 Reorder the terms: 1ln + -1ln + lnx2 + lnx2 = 0 Combine like terms: 1ln + -1ln = 0 0 + lnx2 + lnx2 = 0 lnx2 + lnx2 = 0 Combine like terms: lnx2 + lnx2 = 2lnx2 2lnx2 = 0 Solving 2lnx2 = 0 Solving for variable 'l'. Move all terms containing l to the left, all other terms to the right. Divide each side by '2'. lnx2 = 0 Simplifying lnx2 = 0 The solution to this equation could not be determined.
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