Use Newton's method to approximate a root of the equation 5x³ + 7x + 2 = 0 as follows. Let x₁ = -1 be the initial approximation. The second approximation ₂ is and the third approximation 3 is

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Q: [X₁ + x₂ + x3 x4 3x1 +5x22x3 + x4 -3x₁7x₂+7x35x4 1+3x2 - 4x3 + 3x4 = 3 = 1 = 7 = -5.

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Q: Orthonormalize using Gram-Schmidt. -8 15 {[][]} ([181181)

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