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Find the slope of the curve y = Inx at x=2
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Question:-
Find the slope of the curve y = lnx at x = 2 .
Answer:-
1/2
Solution:-
We know that the first derivative of the equation of any curve at a point gives the slope of the tangent of the curve at that particular point.
Here,
The given curve is ,
y = lnx
Now,
Differentiating both sides of the given equation with respect to x , we get;
=> dy/dx = d(lnx)/dx
=> dy/dx = 1/x
=> (dy/dx) at x = 2 will be 1/x = 1/2 .
Hence,
The required slope is 1/2 .
Anonymous:
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