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Find the slope of the tangent line to the curve y=2/(x+3) at the point where x=a

User Weigreen
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1 Answer

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hello :
the slope of the tangent is the derivate for : y when x = a
y=2/(x+3)
y' = - 2 / (x+3)²
x = a y' = -2/(a+3)²
the slope is : -2/(a+3)²
User Equitharn
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