8: Find the points on curve y = log (x - 3) at which slope is 5.
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Answer:
(16/5, log(1/5))
Explanation:
Given,
Equation of a curve, y = log (x-3)
To Find,
The point at which slope = 5.
Solution,
Since, we know that the slope of a curve is equal to dy/dx
Here we are given that
m = dy/dx = 5
dy/dx = d(log(x-3))/dx
5 = 1/(x-3)
5x - 16 = 1
x = 16/5
Now, substituting it in the given equation
y = log (16/5 - 3)
y = log (1/5)
Hence, the point at which the slope is 5 is (16/5, log(1/5)).
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