Number of crystal systems having, only 2 types of Bravais lattices = x, Number of crystal systems having, at least 2 interfacial angles equal = y, All the three interfacial angles and all the three axes lengths equal = z Then find `y -(x +z)`.

Number of crystal systems having only 2 types of bravais lattices = x, number of crystal system having at least two interfacial angles equal = y and number of crystal systems having all the three edge lengths equal = z. Then find the value of x xx y xx z.

Which of the crystal systems has all the axial angles equal but not equal to 90^(@) ?

Which of the crystal systems have all the axial distances (or edge lengths )equal?

which of the following crystal structrues have length of all the crystallographic axis different and have at least one angle equal to 90^(@) ?

the degree measure of three angles if a triangle are x,y and z If z=(x+y)/2 then find the value of z

Three straight lines X, Y and Z are parallel and the angles are as shown in the figure above. What is angleAFB equal to ?

A vector having magnitude 30 unit makes equal angles with each of X,Y, and Z -axes The components of vector along each of X,Y,and Z -axes are

If three real numbers x,y,z are in G.P.and x+y+z= ax then

If x,y,z are not all simultaneously equal to zero, satisfying the system of (sin3 theta)x-y+z=0 and (cos2 theta)x+4y+3z=0 then the number of principal values of theta is