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• Identical expressions

• four *x/(x^ two + one)^ two = zero
• 4 multiply by x divide by (x squared plus 1) squared equally 0
• four multiply by x divide by (x to the power of two plus one) to the power of two equally zero
• 4*x/(x2 + 1)2 = 0
• 4*x/x2 + 12 = 0
• 4*x/(x² + 1)² = 0
• 4*x/(x to the power of 2 + 1) to the power of 2 = 0
• 4x/(x^2 + 1)^2 = 0
• 4x/(x2 + 1)2 = 0
• 4x/x2 + 12 = 0
• 4x/x^2 + 1^2 = 0
• 4*x divide by (x^2 + 1)^2 = 0

• Similar expressions

• 4*x/(x^2 - 1)^2 = 0