## Answers

y = 250 The graph of this function is x for maximisation, dy da so 2 (\2) = 2. x 1 x 2150 उन tao O y=x²e-x dy 2x ex 2a a x2 X2 so maximum value is at x2 ce 12 st2 for maximisation, dy da no 12 2242 OY 12 222 na 56

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