9a² + 6ab² + b⁴ = 0
D = b²-4ac = 36b⁴ - 36b⁴ = 0
x₁ = x₂ = -6b²/18 = -b²/3
9a² + 6ab² + b⁴ = 9(a + b²/3)² = (3a + b²)²
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N = b²
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Verified answer
59)Verified answer
9a² + 6ab² + b⁴ = 0
D = b²-4ac = 36b⁴ - 36b⁴ = 0
x₁ = x₂ = -6b²/18 = -b²/3
9a² + 6ab² + b⁴ = 9(a + b²/3)² = (3a + b²)²
----------------------
N = b²