Evaluate the function as indicated. (Round your answer to two decimal places.) f(x, y) In(xy) x² + y² find f(-9, -8). f(-9, -8)

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A: Solution- Given function is, F(s)=2s2-12s2-1=1s-1-1s+1 We know L-1(1s-1)=et L-1(1s+1)=e-t

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