Question

Find the slope of normal to the curve y= 5x²-10x+7 at x=1.​

Answer 1

Step-by-step explanation:

$y = ({5 \times 1})^{2} - 10(1) + 7 \\ 25 - 10 + 7 = 32 - 10 \\ = 22$

$y = 22$

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