If the direction ratios of a line are `1 + lambda, 1- lambda, 2,`
and it makes an angle of `60^(@)` with the y-axis then
`lambda` is

If the direction ratios of a line are 1+lambda, 2-lambda, 4 and if it makes an angle of 60^(@) with the y- axis, then the sum of the values of lambda is

If the direction ratios of a line are 1+lambda, 2-lambda, 4 and if it makes an angle of 60^(@) with the y- axis, then the sum of the values of lambda is

If the direction ratios of two lines are (1, lambda, 2) and (lambda, lambda + 1, lambda) and the angle between the lines is 90^(@) then the modulus of sum of all values of lambda is ________

If the direction ratios of two lines are (1, lambda, 2) and (lambda, lambda + 1, lambda) and the angle between the lines is 90^(@) then the modulus of sum of all values of lambda is ________

If the plane 2 x-3 y+6z-11=0 makes an angle sin ^-1(lambda) with x -axis, then lambda is equal to

The direction ratios of two parallel lines are 4,-3,-1 and lambda+mu,1+mu,2. The value of the pair (lambda,mu) is

The d.r.s of two perpendicular lines are 1,-3,5 and lambda,1 + lambda,2 + lambda then lambda is

Two mutually perpendicular wire carry charge densities lambda_1 and lambda_2 . The electric lines of force makes angle alpha with second wire, then lambda_1//lambda_2 is