sandrafina2004
02.03.2021 •
Mathematics
The line l is tangent to the circle with equation x2 + y2 = 17 at the point P. Determine the equation of line l.
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Ответ:
Which slope is 1/4
So the
(slope of tangent) x (1/4) = -1
Slope of tangent = -4
Point slope form:
(y-1)/(x-4)=-4
y-1=-4x+16
y=-4x+17
Or you can construct the upper half of the circle in y=(17-x^2)^(1/2) and differentiate it to get the slope then use point slope form again
Ответ: