True or False:
For any two sets A and B A-B = A only if `AnnB = phi`

For any two sets A and B, A - (A - B) equals :

Whether the following statement is true ? Justify your answer. For any two sets A and B either A sube B or B sube A.

If A and B are any two sets, prove that : A-B =A nn B^(c) .

Incase of each of the following statements, state whether it is true or false : For any two vectors vec a, vec b : |vec a*vec b| le |vec a||vec b|

If A and B are any two sets, prove that : (A-B) uu B =A uu B .

Is it true that for any sets A and B, P(A) uu P(B) = P(A uu B) ? Justify your answer.

For any two sets A and B, prove that : A Delta B= (A uu B)- (A nn B) .

Incase of each of the following statements, state whether it is true or false : For any two non-zero vectors vec a and vec b , (vec a- vecb)^2 = (vec a)^2 +(vec b)^2 - 2vec a*vec b

State whether true or false Sum of any two sides of the triangle is less than the third side.