If the direction cosines of a straighat line are k,k,k the (A) `kgt0` (B) `0ltklt1` (C) `k=1` (D) `k=1/sqrt(3) or -1/sqrt(3)`

If the directions cosines of a straight line are ltk,k,kgt then

If the direction cosines of a line are lt k, k, kgt then

If the direction cosines of a line are k,(1)/(2),0 then k =

If the direction cosines of a line are k,(1)/(2),0 then k =

If (1/3,1/4,k) are the direction cosines of a line then the value of k is

If the direction cosines of a line are 1/sqrt(3), 1/(2sqrt(2)), k , then the value of 48k=

If int_0^1 xe^(x^2) dx=k int_0^1 e^(x^2) dx , then (A) kgt1 (B) 0ltklt1 (C) k=1 (D) none of these

If int_0^1 xe^(x^2) dx=k int_0^1 e^(x^2) dx , then (A) kgt1 (B) 0ltklt1 (C) k=1 (D) none of these

If the area enclosed between the curves y=kx^2 and x=ky^2 , where kgt0 , is 1 square unit. Then k is: (a) 1/sqrt(3) (b) sqrt(3)/2 (c) 2/sqrt(3) (d) sqrt(3)