Consider the points A (3, 4) and B (4, 13). If ‘P’ be a point on the line y = x such that PA + PB is minimum, then ‘P’ is
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A(3,4) B(4,13)
consider a point on the line Y=X, p(a,a)
PA+PB=
consider a point on the line Y=X, p(a,a)
PA+PB=
akshat18:
thanks for your answer but I am not satisfied
get me the coordinates of p
when you have PA+PB=M (let)
then find dM/da,for mini value of M dM/da=0
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let the coordinates of p be (a,a) ( as x=y)
as the distance is same so, PA=PB
now find PA+PB
as the distance is same so, PA=PB
now find PA+PB
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