Question

whose do you mean by loth

Answer 1

Hey mate here is your answer

Loath is an adjective (also spelled loth) meaning 'reluctant or unwilling', as in I was loath to leave, whereas loathe is a verb meaning 'feel intense dislike or disgust for', as in she loathed him on sight.

Hope this answer will help you!!

Answer 2

$4 + \sqrt{2} \div 2 + \sqrt{2 } = a - \sqrt{b }$