If A = {p. q}, B = {r, s}, what is the relation between sets A and B?

A relation between A and B is

The relation between B_H, B_v, and B is

P(A uu B) = P(A nn B) if and only if the relation between P(A) and P(B) is …………

For hydrogen gas C_p-C_v=a and for oxygen gas C_p-C_v=b , C_p and C_v being molar specific heats. The relation between a and b is

A charge Q is divide into two charges q and (Q-q) . What should be thr relation between Q and q so that force between q and (Q-q) is maximum?

Let R = {(a, a)} be a relation on a set A.Then R is

Let A = {6, 8}, B = {1, 3, 5} Show that R1 = {(a, b) / a in A, b in B, a - b is an even number } is a null relation. R2 = { (a, b) / a in A, b in B, a - b is odd number } is an universal relation