Question

I/√4+√5+1/√5+√6+1/√6+√7+1/√7+√6+1/√8(√9

Answer 1

$1 \div \sqrt{4} + \sqrt{5} + 1 \div \sqrt{5} + \sqrt{6} + 1 \div \sqrt{6} + \sqrt{7 } + 1 \div \sqrt{7} + \sqrt{6} + 1 \div \sqrt{8} ( \sqrt{9) } = 12.5748853$