Instructions. Solve the following problems by showing a step by step detailed work. 3' _ 1. Find the values ofa and b such that lim LEE2 = %. x40 . 2 . 2. Evaluate lim w. x-+0 3. Find the nth derivative of the function x) = (l x_"x) 4. Find two points on the curve y = x4 2x2 x that have a common tangent line. 5. Find the absolute maximum value of the functionx) 2 1 1 l+|xl + 1+Ix2l