Which of the following is the empty/non-empty set `(i) {x:x"is a real number and"x^(2)-1=0}` `{x : x"is a real number and" x^(2)+1=0}` `(iii) {x : x "

Question

Which of the following is the empty/non-empty set `(i) {x:x"is a real number and"x^(2)-1=0}` `{x : x"is a real number and" x^(2)+1=0}` `(iii) {x : x "

Which of the following is the empty/non-empty set
`(i) {x:x"is a real number and"x^(2)-1=0}`
`{x : x"is a real number and" x^(2)+1=0}`
`(iii) {x : x "is a real number and" x^(2)-9=0}`
`(iv) {x : x"is a real number and " x^(2)=x+2}`

Monjur Alahi

9 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - `(i)` non empty `(ii)` empty `(iii)` non-empty `(iv)` non-empty

9 views Answered 2023-02-05 15:29