Question

(root 11 - root 7 ) - (root 11 + root 7 ) is 1 : rational
2: irrational
3: integer
4: none of these ​

Answer 1

Answer:

$( \sqrt{11} - \sqrt{7} ) - ( \sqrt{11} + \sqrt{7} ) \\ \\ = \sqrt{11} - \sqrt{7} - \sqrt{11} - \sqrt{7} \\ \\ = - 2 \sqrt{7} ( \sqrt{11} \: and - \sqrt{11} cancelled)$

So ITz irrational.

☞ Option (2) is correct ☜

hope it helps u ❤

Answer 2

Answer:

2: irrational

Step-by-step explanation:

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