Question

If x-1/x=7 then find x√2+1/x√2 ?

Answer 1

(x-1) /x=7

=> x-1=7x

=>x-7x=1

=>-6x=1

=>x=-1/6

(x√2+1)/x√2 = ((-1/6)√2+1)/((-1/6)√2 )

                    =( (-√2/6)+1)/(-√2/6)

                    = (√2-6)/√2