Question

Helppppp PLZZZZZZZZZZZZZZZZZZZZZZ i need help

Answer 1

`\sf\:Q.\:Show \: that \: there \: is \: no \: positive\:integer`

`\sf\:n \: for \: which \:√(n - 1) \: + \:√(n + 1)\:is`

`\sf\: rational.`

Answer 2

Answer/Step-by-step explanation:

A) The temperature in Chicago could be -10*F because -10 is to the right of -13 on the number line.

Higher Temperatures -->

o----------->I

I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I---I

-13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10