Let `A-=(3,-4),B-=(1,2)dot` Let `P-=(2k-1,2k+1)` be a variable point such that `P A+P B` is the minimum. Then `k` is 7/9 (b) 0 (c) 7/8 (d) none of these

Let A-=(3,-4),B-=(1,2)dot Let P-=(2k-1,2k+1) be a variable point such that P A+P B is the minimum. Then k is (a)7/9 (b) 0 (c) 7/8 (d) none of these

Let A-=(3,-4),B-=(1,2). Let P-=(2k-1,2k+1) be a variable point such that PA+PB is the minimum.Then k is 7/9 (b) 0(c)7/8 (d) none of these

Let A-=(3,-4),B-=(1,2) . Let P-=(2k-1+1) be a variable point such that PA+PB is the minimum. Then k is

Let A(-3, 2) , B(4,1) and C(-2,k) be three points such that AC = BC . Find the value of k .

Let A,B,C be 3 independent events such that P(A)=(1)/(3),P(B)=(1)/(2),P(C)=(1)/(4) .Then probability of exactly 2 events occuring out of 3 events is (A) (1)/(4) (B) (9)/(24) (D) none of these

Find the equation of set of points P such that P A^2+P B^2=2k^2 , where A and B are the points (3, 4, 5) and (1, 3, 7) , respectively.

Let A ,B ,C ,D be independent events such that P(A)=1//2,P(B)=1//3, P(C)=1//5, a n dP(D)=1//6. Then theprobability that none of A ,B ,C ,a n dD occurs a. 1//180 b. 1//45 c. 1//18 d. none of these

let A(1,3) and B(2,7) be two points. point P divides the line segment joining the point A(-1,3) and B(9,8) such that 'AP/BP=k/1'. if P lies on the line x- y + 2=0 find the value of k.

Find the value of k , if the point P (2,4) is equidistant from the points A(5, k) and B(k ,7)dot