If D is the region enclosed by y = 1, x = 7, and y = 7x. Then Select one: True O False Jy dA = 693. D

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A: Amplitude of the function

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A: Equation is homogeneous so substitute y=vx and get a variable separable equation.

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A: find the hessian matrix and evaluate at the point (a) fx,y=cosx siny , a=π4,π3

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A: Let y = Aemt be a trial solution of  y" + 22y + 122y = 0. Then the auxiliary equation becomes m2 +…