2. Given matrices A and B below, evaluate tr(AAT - 3B) [1 0 -2 2 A = 0 5 [1 1 4 0 B = 0 1 1 -6 3

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Q: 3. Solve the IVP: siny(x + siny)+2x²cosy y'=0; y(-1)= π/2 (Subst. first and then Bernoulli's)

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