(b) Let f(r, y. 2) = (ryz, I +y +2) and g(1.y. 2) = (1, y². 2). Then find (i) fog, if possible. Hence, Jfeg- (ti) gof, if possible. Hence, Jge f- (c) Let f(u, v) = u² + 3u² and g(r.y) = (e cos(y), e* sin(y)). Then find (i) fog, if possible. Hence, Jfeg- (i) gof, if possible. Hence, Jgo f-

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