The value of  is

Suppose the direction cosines of two lines are given by al+bm+cn=0 and fmn+gln+hlm=0 where f, g, h, a, b, c are arbitrary constants and l, m, n are direction cosines of the lines. On the basis of the above information answer the following For f=g=h=1 both lines satisfy the relation

All the above options are correct.

The lines  and  lie in a same plane. Based on this information answer the following. Equation of the plane containing both lines

 Therefore, the equation of the line becomes x+6y-5z=10.

The lines  and  lie in a same plane. Based on this information answer the following. Point of intersection of these lines is

The given pair is :

Number of stereo centre and stereoisomer of the given compound :

The structures and represent :

Write the order of basic strength :

Arrange the following acids in decreasing order of acidity :

The lines  and  lie in a same plane. Based on this information answer the following. The value of  is

Let A(2,3,5), B(-1,3,2),  are the vertices of a triangle and its median through A (i.e.) AD is equally inclined to the coordinate axes On the basis of the above information answer the following Equation of the plane containing the triangle ABC is

Let A(2,3,5), B(-1,3,2),  are the vertices of a triangle and its median through A (i.e.) AD is equally inclined to the coordinate axes On the basis of the above information answer the following Projection of AB on BC is

Let A(2,3,5), B(-1,3,2),  are the vertices of a triangle and its median through A (i.e.) AD is equally inclined to the coordinate axes On the basis of the above information answer the following The value of  is equal to

Let two planes  and  are given On the basis of the above information, answer the following question: The image of plane P₁ in the plane mirror P₂ is

 Therefore, the equation becomes 7x-y+2z=9.

Let two planes  and  are given On the basis of the above information, answer the following question: The equation of the bisector of angle of the planes P₁ and P₂ which not containing origin is

=  + 
-> 3x +y = 5.

Let then area bounded by x. f(x), and x=0, x=5 with x axis, is (in sq units)