3. 2 1 1 9. 4 8 For the matrix A 3 -1 %3D 7 8 -1 2 1 1 -2 use Mathematica for find A-1, (b) use Mathematica and A-1 to solve A· X = B¡ where B; is given by 1 4 -1 B1 = 4 B2 B3 = B4 = %3D 5 HO13 3

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A: For finding the solution of given equation we use the Bisection method upto two decimal places.

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Q: Number 8

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Q: 12) Use Newton's Method to find the closest root to xo =1 for f(x)=x-In(x+4)

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Q: 1) Evaluate / Vx-1 dx

A: