Offline paper
Mathematics · 2014
JEE Main 2014 · 2014-04-06 Offline · Q61
If X={4^n-3 n-1: n ∈ N} and Y ={9( n -1): n ∈ N }, where N is the set of natural numbers, then X ∪ Y is equal to:
If $\displaystyle X=\left\{4^n-3 n-1: n \in N\right\}$ and $\displaystyle \mathrm{Y}=\{9(\mathrm{n}-1): \mathrm{n} \in \mathrm{N}\}$, where N is the set of natural numbers, then $\displaystyle \mathrm{X} \cup \mathrm{Y}$ is equal to :
Official answer
(2)
Y
More from Sets
- Let _i=1^50 X_i=_i=1^n Y_i=T, where each X_i contains 10 elements and each Y_i contains 5 elements. If each element of the set T is an element of…2020
- Let the set C={(x, y) ∣ x^2-2^y=2023, x, y ∈ N}. Then Σ_(x, y) ∈ C(x+y) is equal to ____.2024
- In a certain town, 25\% of the families own a phone and 15\% own a car; 65\% families own neither a phone nor a car and 2,000 families own both a car…2015
- In a school, there are three types of games to be played. Some of the students play two types of games, but none play all the three games. Which Venn…2021
- A group of 40 students appeared in an examination of 3 subjects - Mathematics, Physics and Chemistry. It was found that all students passed in…2024
- Out of all the patients in a hospital 89 % are found to be suffering from heart ailment and 98\% are suffering from lungs infection. If K\% of them…2021
- Consider the two sets: A={m ∈ R: both the roots of x^2-(m+1) x+m+4=0 are real\} and B=[-3,5). Which of the following is not true?2020
- Let A={(α, β) ∈ R × R:|α-1| ≤ 4 and |β-5| ≤ 6} and B={(α, β) ∈ R × R: 16(α-2)^2+9(β-6)^2 ≤ 144}. Then2025
JEE Main 2014 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.