Hello,mos user I m sorry if this post useless for u or disturb.But this is very useful for our profession.
Sets and Functions
Sets
- The set A = { x\ x2 – 7x + 12 =0 } is
A.{ 3 , 4 } B. { -3 , 4 } C.{ 3 , -4 } D.{ -3 , -4 } E. None of them
y} is- (1,3) 2.(4,4) 3. (5,3)
A.1 only B. 2 only C.3 only D.1 and 2 only E.2 and 3 only
3.Given that S= {0,1,2,3,4} is the universal set and A={ x\ x3 – 9x =0 }.Then A=……..
A.{ -3 , 0, 3 } B. { -3 , 0 } C.{ 0 , 3 } D.{ -3 , -3 } E.{0,9}
3 }is denoted by
A.( -2 , 3 ) B. [ -2 , 3 ] C.[ -2 , 3 ) D.( -2 , 3 ] E. None of these
- (1,3) 2.(4,4) 3. (5,3)
- The graph on the number line is denoted by
2 3
A.(-2,3) B.[-2,3) C. (-2,3] D.[-2,3] E. Non of these
B is
}
} E.Non of these
Q =………..
A.(3,7] B.(2,7] C.(3,7) D.[2,7] E.(4,7)
B)´ is
B.{a} C. {0} D.R{a} E.R
0} then P=…………
A.{2,0,-3} B.{2} C.{2,0} D.{-2} E.{2,-3}
1 is
A. B. C. D. E.
4 4 -4 -4 -4
C)=……
A. {a,d,e} B.{a,d} C.{a,c,d} D.{a,b,d} E.{a,b,c}
Q), which of the following is (are) true?
Q)
A.1 only B. 2only C. 1and3 only D. 2and3 only E. 1,2 and 3 - A={x\x is an integer,1<x<12} and
B is
A.{3,6,9,12} B{2,3,4,5,6,7,8,9,10,11} C.{6,9,12} D.{3,6,9,12,15} E.{3,6,9}
B, which of the following is true?
=…..
{z,u} ,P\Q={x,v} then Q\P=…….
E. None of these
A.0 B.2 C.4 D.6 E.8
18.Let n(P) denotes the number of elements in set P. Given that n(P)=7 and n(Q)=3
is
A.10 B.9 C.7 D.4 E.3