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
Promotional Banner

Similar Questions

Explore conceptually related problems

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

If X= {8^(n)-7n -1"/"n in N}" and "Y= {49n -49"/"n in N} . Then,

If A and B are coefficient of x^(n) in the expansions of (1+x)^(2n) and (1+x)^(2n-1) respectively , then A/B equals to

if .^(2n+1)P_(n-1):^(2n-1)P_(n)=7:10 , then .^(n)P_(3) equals

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

If f(x) is given by f(x)=(cosx+i sinx)(cos3x+isin3x) ......... ....... [cos(2n-1)x+isin(2n-1)x] , then f''(x) is equal to

if ((n),(r)) + ((n),(r-1)) = ((n + 1),(x)), then x = ....

If x= npi+(-1)^(n)alpha , n in I and x=npi+(-1)^(n)beta are the roots of 4 cos x -3 sec x =tan x , then 4(sin alpha + sin beta ) is

If (d)/(dx)[ x^(n+1)+c]=(n+1)x^(n) , then find int x^(n)dx .

Coefficient of x^3 in expansion (1+x)^n is 20 then n = 6 .