Question: 1. Find the second derivative d 2 y/dx 2 for the following y: 2. If Hence show that: (a) x + 2x - 6x+8 (b)

1. Find the second derivative d2y/dx2 for the following y:

(a) x + 2x - 6x+8 (b) x + - +|+ X

(c) X+4 x-2 (d) x + x

2. If

dy d'y dx dx 1 y=x + find and X

Hence show that:

dy dx +4x dy dx -+2y=12x

(a) x + 2x - 6x+8 (b) x + - +|+ X

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