If x, y, z are the three factors of a 3β 7a β 6, then value of x + y + z will be
If (a2 + 1/a2) = 27, then find the value of (a3 - 1/a3).
(u - 5) 2 + (v + 2) 2 + (w β 4) 2 = 0, then find the value of 4u - v + w.
If the ratio of the areas of two triangles is 4:3 and the ratio of their heights is 3:4, then the ratio of the lengths of their bases will be
If AB = x + 3, BC = 2x and AC = 4x β 5, then for what value of βxβ does B lie on AC?

If (x2 + y2) = 9 and (xy)2 = 3, then find the value of (x4 + y4).
x + y = 4, xy = 2, y + z = 5, yz = 3, z + x = 6 and xz =4, then find the value of x 3 Β + y 3 Β + z 3 Β β 3xyz.
...If βn + (1/βn) = 6, then find the value of n + (1/n).