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A curve has equation y=x^3+ax+b, where a and b are constants. The gradient of the curve at the point (2,7) is 3. Find the value of a and b?

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  • A curve has equation y=x^3+ax+b, where a and b are constants. The gradient of the curve at the point (2,7) is 3. Find the value of a and b?


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