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If y = 2 x^(3)- 15 x^(2) + 36 x + 8 , ...

If `y = 2 x^(3)- 15 x^(2) + 36 x + 8 ` , slove the equation `(dy)/(dx)= 12` .

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Therefore, the required solution s are `x = 4 ` or `x = 1 ` .
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