1.

Let A = {3, pi , sqrt(2) ,- 5,3 + sqrt(7),2//7}. The subset of A containigall the elementsfrom it whichare irrational number is :

Answer»

`{PI,sqrt2,3+sqrt7}`
`{3,pi,2//7,-5,+3sqrt7}`
`{3,2//7,-5}`
{3,-5}

ANSWER :A


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