be 2-by-2 matrix, with a =7, b =11, c =

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Q: The sum of two numbers is 25 and their difference is 7. Find the numbers.

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Q: b. Find the solution to the heat equation du t2 0, u(3, t) = 0, 4- 0<< 3, %3D u(0, t) u(z,0) = I.

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Q: 5 Let (sn) be a bounded sequence, and let k be a non number. onnegative real (a) Prove lim sup(ksn)…

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Q: g. Find all lower bounds of (48, 72}. h. Find the greatest lower bound of (48, 72}, if it exists.

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Q: 18. Find all critical points of f(x, y) = In(x+y) +x² – y +1 and classify each critical point as a…

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