menu search
brightness_auto
Feel free to answer or ask any questions.
If you are new here please see how to use or FAQ.
more_vert
If $R=\{(x,y):x,y\in Z,\ x^2+3y^2\leq8\}$ is a relation on the set of integers $Z$, then the domain $R^{–1}$ is :

(1) {–1, 0, 1}

(2) {–2, –1, 1, 2}

(3) {0, 1}

(4) {–2, –1, 0, 1, 2}
thumb_up_off_alt 3 like thumb_down_off_alt 0 dislike

1 Answer

more_vert
 
done_all
Best answer

Ans. (1) {–1, 0, 1}

Sol. ${x^2\over8}+{y^2\over8/3}\leq1$

Domain of R–1 $\equiv$ Range of R $\equiv$ Value of y $\equiv$ {–1, 0, 1}

thumb_up_off_alt 0 like thumb_down_off_alt 0 dislike
Welcome to Jee Neet QnA, where you can ask questions and receive answers from other members of the community.

1.1k questions

772 answers

366 comments

77 users

...