A curve is such that . The gradient of the curve at the point is . Show that the gradient is never less than
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Originally Posted by Punch A curve is such that . The gradient of the curve at the point is . Show that the gradient is never less than The gradient of the curve is At (-2,4), dy/dx=3 so c= -15 Complete the square and you will notice that the minimum value of the gradient is -83/5.
minimum value=-19 which doesnt tally with the question of
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