Use Euclid's Algorithm to find a multiplicative inverse of 23 mod 75. Once found, solve the linear congruence 23x ≡ 19 (mod 75). Explain the process.

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A: Let G be a group of order 425. Prove that if H is a normal subgroup of order 17 in G. Then H≤ Z(G).

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Q: Subject: Advance math Topc: Matrix Solve for the linear system 2x+y+z=2 y+z+w=2 x+y-z=0…

A: Using Gauss elimination method.

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Q: : Solve the IBVP 4 = Urz + ke, 0 0 u(0, t) = u(1, t) = 0, t20 %3D %3D k u(z, 0) = -e, 0<I<1. %3D 4

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