(4)-5,-1,3,7,

If A= {1,3,5,2,4,1,3,5,7,8,9,6,10}, then n(A) =________.

Find the rank of matrix A = [(4,5,-6,1),(7,-3,0,8)] .

Find the rank of matrix A = [(4,5,-6,1),(7,-3,0,8)] .

If A={2,3,4,5,B={1,3,5,7} and a relation R:AtoB such that y=2x-3,xepsilonA,yepsilonB , then find R .

If A={2,3,4,5,B={1,3,5,7} and a relation R:AtoB such that y=2x-3,xepsilonA,yepsilonB , then find R .

Express the matrix A = [{:(4, 2,-1),(3,5,7),(1,-2,1):} ] as the sum of a symmetric and a skew-symmetric matrix.

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

If A and B be the points (3, 4, 5) and (-1,3, -7), respectively, find the equation of the set of points P such that PA^2 + PB^2 = k^2 , where k is a constant.

If A and B be the points (3,4,5) and (-1,3,-7) , respectively, find the equation of the set of points P such that PA^(2)+PB^(2)=k^(2) , where k is a constant.