Home
Class 12
MATHS
Let A={varphi{varphi},1,{1,varphi},2}dot...

Let `A={varphi{varphi},1,{1,varphi},2}dot` Which of the following are true? `varphi A` ii. `2subA` iii. `{2,{1}} A`

Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    RESONANCE DPP|Exercise All Questions|15 Videos

  • MATRICES

    RESONANCE DPP|Exercise All Questions|7 Videos

Similar Questions

Explore conceptually related problems

Let A={varphi{varphi},1,{1,varphi},2} .Which of the following are true? varphi A ii.2sub A iii.{2,{1}}A

Let A={varphi{varphi},1,{1,varphi},2}. Which of the following are true? {1}A ii.{{varphi}}sup A iii.{2,varphi}sub A

Let A={varphi{varphi},1,{1,varphi},2}. Which of the following are true? {{2},{1}}A ii.{varphi,{varphi},{1,varphi}}sub A

Let A= {1,2,{3,4},5}. Which of the following statements are correct and why ? (i) {3,4}subA (ii) {3,4}inA (iii) {{3,4}}subA (iv) 1inA (v) 1subA (vi) {1,2}subA . (vii) {1,2,5}inA (viii) {1,2,3}subA . (ix) phiinA (x) phisubA (xi) {phi}subA .

Let A={{1,2,3},{4,5},{6,7,8}} Determine which of the following is true or false: {{4,5}}sub A varphi A varphi sub A

Write down all possible subset of each of the following set: {varphi}

Let A={a,b,{c,d},e}. Which of the following statements are false and why? {a,b,e}in A{a,b,c}sub A varphi A{varphi}sub A

Let A={{1,2,3},(4,5},(6,7,8}} . Determine which of the following is true or false . Justify your answer. (i) phiinA (ii) phisubA (iii) 1 inA (iv) {1,2,3}subA (v) {6,7,8} inA (vi) {{4,5}}subA .

RESONANCE DPP-JEE MAINS-All Questions
  1. Let N=(4^5+4^5+4^5+4^5)/(3^5+3^5+3^5)dot(6^5+6^5+6^5+6^5+6^5+6^5)/(2^5...

    Text Solution

    |

  2. In a A B C , if r1+r3+r=r2, then sec^2A+cos e c^2B is equal to 1-cos^...

    Text Solution

    |

  3. Let A={varphi{varphi},1,{1,varphi},2}dot Which of the following are tr...

    Text Solution

    |

  4. For the equation :x^2+18 x+30=2sqrt(x^2+18 x+45)dot a. product of r...

    Text Solution

    |

  5. If a, b, c are sides of a triangle, then ((a+b+c)^(2))/(ab+bc+ca) alwa...

    Text Solution

    |

  6. If the equations x+a y-z=0,2x-y+a z=0,a x+y+y+2z=0 have non-trivial so...

    Text Solution

    |

  7. Let A={varphi{varphi},1,{1,varphi},2}dot Which of the following are tr...

    Text Solution

    |

  8. Let f(theta)= sin theta - cos^(2) theta-1, where theta in R and m le f...

    Text Solution

    |

  9. If the elements of a matrix A are real positive and distinct such that...

    Text Solution

    |

  10. Let A={1,2. 3. 4} ,B={1,2,3} and C={2,4} Find all sets X satisfying ...

    Text Solution

    |

  11. Find the power set of the set {a,b,c}.

    Text Solution

    |

  12. Which of the following sets are equal? E={1,2,3},F={1,1,3}

    Text Solution

    |

  13. Find the minimum distance between the curves y^2=4xa n dx^2+y^2-12 x+3...

    Text Solution

    |

  14. Number of ways to express 1200 as a product of two co-prime factors ...

    Text Solution

    |

  15. If vec aa n d vec b are any two unit vectors, then find the greate...

    Text Solution

    |

  16. Which of the following sets are equal? A={x : x in N ,x<4,},B={1,1,2,...

    Text Solution

    |

  17. If z1=5+12 ia n d|z2|=4,t h e n maximum (|z1+i z2|)=17 minimum (|z1+...

    Text Solution

    |

  18. Are the following pairs of sets equal? A={1,4,8, 16 , 64},B={x : x is ...

    Text Solution

    |

  19. Consider a real valued continuous function f such that f(x)=sinx + int...

    Text Solution

    |

  20. A rod of length 2units whose one end is (1, 0, -1) and other end touch...

    Text Solution

    |