dz evaluated at dt If z=tan In with x=sec t and y=eª. Then the value of t= 0 is equal to ... (Correct to THREE decimal places)

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A: D2+2D-3y=0 Auxillary Equation m2+2m-3=0 ⇒(m+3)(m-1)=0 ⇒m=-3,1

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A: Here we are given 4 vectors in ℝ3, which are:1, 1, 3; [-1, 0, 10]; [0, -3, -2] and [-1, -3, -5]To…