mariap3504
01.08.2019 •
Mathematics
Find the point p on the line yequals6x that is closest to the point left parenthesis 74 comma 0 right parenthesis. what is the least distance between p and left parenthesis 74 comma 0 right parenthesis
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Ответ:
The least distance would be 73 units ( approx )
Step-by-step explanation:
Let the coordinates of P are ,
Since, point P lies on the line y = 6x
So, P will satisfy the above line,
,
Now, By the distance formula,
The distance between P and (74,0),
( From equation (1) )
Differentiating with respect to ,
Again differentiating with respect to x,
For maxima or minima,
,
At D''(x) = positive
Thus, for D is minimum,
And, minimum distance,
Ответ:
Step-by-step explanation:
Simplify like terms.
10a-2a+3b+b = 8a+4b