Question

If x + 1/y = a + 1/b,then show that x.x + 1/(y.y) = a.a + 1/(b.b)?

Answer 1

`"see explanation"`

Explanation:

`x+1/y=a+1/b`

`"then "x=a" and "y=blarrcolor(blue)"by comparison"`

`x^2+1/y^2=a^2+1/b^2" as required"`