Question

rationalize 1 upon root 7 +2

Answer 1

HERE IS YOUR ANSWER.
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Answer 2

1
$1 \div \sqrt{7 } + 2$
so multiply root7-2 both numerator and denominatorso
$\sqrt{7 } - 2 \div 7 - 4$
so
$\sqrt{7} - 2 \div 3$