3 If = u(1) = () a1 du dt ° ) u(t) where a2 u1 (t) and u1 (t) = B1e + B2et u2 (t) %3D and u2 (t) = B3et then And find the value of a1 a. a2 = 2 %3D b. a2 = 3 c. a2 = 1 d. a2 = -4

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A:

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A: Given

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A: Use the spherical coordinates to evaluate the integral as follows.

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A: (a) Here,  x'(t)=0.3x(1-x-0.4y) and y'(t)=0.2y(1-0.5x-y). Also, for t=4, we get x=5 and y=6.…