Home
Class 12
MATHS
If X={4^(n)-3n-1:ninN}andy={9(n-1):ninN}...

If `X={4^(n)-3n-1:ninN}andy={9(n-1):ninN}`, then `X uu Y` equals

A

X

B

Y

C

N

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SETS, RELATIONS AND FUNCTIONS

    ARIHANT MATHS|Exercise Exercise For Session 2|10 Videos
  • SETS, RELATIONS AND FUNCTIONS

    ARIHANT MATHS|Exercise Exercise For Session 3|10 Videos
  • SETS, RELATIONS AND FUNCTIONS

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|12 Videos
  • SEQUENCES AND SERIES

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|38 Videos
  • THE STRAIGHT LINES

    ARIHANT MATHS|Exercise The Straight Lines Exercise 8 : (Questions Asked in Previous 13 years Exams)|1 Videos

Similar Questions

Explore conceptually related problems

If N_(a)={an:ninN} , then N_(5) nn N_(7) equals

If ""^(2n+1)P_(n-1): ""^(2n-1)P_n =3:5 then the value of n equals :

Knowledge Check

  • If X = {8^(n) -7n-1|n in N}Y = {49 (n-1)|n in N} where N is set of natural numbers , then :

    A
    `X sube Y`
    B
    `Y sub X`
    C
    X = Y
    D
    None of these
  • Similar Questions

    Explore conceptually related problems

    If .^(n+5)P_(n+1)=.^(11(n-1))/2,^(n+3)P_(n) "then n is equal to" .

    If y = n^x, n > 0 then dy/dx is equal to

    If {:X=[(3,-4),(1,-1)]:} , the value of X^n is equal to

    If f(x)=(a-x^(n))^(1//n),"where a "gt 0" and "n in N , then fof (x) is equal to

    Is the function f(X) = {:{((1-x^n)/(1-x), x ne 1),(n-1,x=1):} , n in N continuous at x =1?

    At the point P(a,a^(n)) on the graph of y=x^(n),(n in N), in the first quadrant, a normal is drwn. The normal intersects the y-axis at the point (0,b)If lim _(ato0) b=1/2, then n equal

    If int (x+sqrt(1+x^(2)))^(n)dx . =(1)/(a(n+1)){x+sqrt(1+x^(2))}^(n+1)+(1)/(-b(n-1)){x+sqrt(1+x^(2))}^(n-1)+C Then (a+b) is equal to