[" 11.Find the unit vector paranel to its diagonal."" Pactor "],[" and "OZ" are "(1)/(sqrt(3)),(1)/(sqrt(3)),(1)/(sqrt(3))]

Find the sum: 3+(1)/(sqrt(3))+(1)/(3+sqrt(3))-(1)/(3-sqrt(3))

(sqrt(3)-1)/(sqrt(3)+1)xx(sqrt(3)-1)/(sqrt(3)-1)

Evaluate (sqrt(3)-1/sqrt(3))/(1+sqrt(3)(1/sqrt(3)))

Find: n th term of the G.P.sqrt(3),(1)/(sqrt(3)),(1)/(3sqrt(3))

Find the value of (1)/(2+sqrt(3))+(1)/(2-sqrt(3))

Show that the direction cosines of a vector equally inclined to the axes OX,OY and OZ are (1)/(sqrt(3)),(1)/(sqrt(3)),(1)/(sqrt(3))

Show that the direction cosines of a vector equally inclined to the axes OX, OY and OZ are (1)/(sqrt(3)),(1)/(sqrt(3)),(1)/(sqrt(3))

Evaluate (1/sqrt(2))/(1/sqrt(2)+sqrt(3))

Show that the direction cosines of a vector equally inclined to the axes OX,OY and OZ are +-((1)/(sqrt(3)),(1)/(sqrt(3)),(1)/(sqrt(3))) .

Show that the direction cosines of a vector equally inclined to the axes OX,OY and OZ are +-((1)/(sqrt(3)),(1)/(sqrt(3)),(1)/(sqrt(3))) .