Which of the following statements are correct? Write a correct form of each of the incorrect statements.
`(i){a}sub{{a}, b}\ `
`(ii){b , c}sub{a ,{b , c}}`
`(iii){a , b}sub{b , c}`

Explanation

i) `{a}` id not a subset of given set.

The correct form is `{a} in {{a}, b}`

ii) `{b, c}` is not a subset o given set. But it belongs to the given set.

the correct form is `{b, c} in {a, {b,c}}`

iii) `{a, b}` id not a subset of given set.

The correct form is `{a, b} cancel(sub) {a, {b, c}}`