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Q: refer to image below.
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- So i calculated the LU decomposition of a matrice. (as seen in picture) How do I use the LU decomposition to solve : 2x+2y+z = 1 6x+5y+5z=3 -4x-5y+5z=-7 Thanbk you in advancexxS y dS S is the part of the paraboloid y= x 2 + z2 that lies inside the cylinder x 2 + z2 =4Prove that a rotation of θ = π/4 will eliminate the xy-term from the equationax2 + bxy + ay2 + dx + ey + f = 0.