4, 16, 7, 49, 13, 169, x, y 4^2=16;;;;;;;1+6=7^2=49;;;;;;;;;4+9=13^2=169;;;;;;;1+6+9=16^2=256;;;;;x=16,,,y=256,,,x+y=272
4,16,7,49,13,169,16,256 X=16 and y=256 X+y=272
650 x=25 y=625 4, 7, 13, 25 3, 6, 12...
42, 72, 132, 252...
13+9 , (13+9)^2
x, y, z and k are four non zero positive integers satisfying 1/x + y/2 = z/3 + 4/k, minimum integral value of k for integral value of x, y and z will be
If x+y+z = 7 2x-y+z = 4 Then 11y-10x = ??