basic conceptual doubt
(ii) part
to solve this part i used the given equation to make the equations and i am getting correct answers>
Is this approach correct coz i heared long time ago that you cant make two equations from one equation and use both of them in the same equation>>
to solve this part i used the given equation to make the equations and i am getting correct answers>
Is this approach correct coz i heared long time ago that you cant make two equations from one equation and use both of them in the same equation>>

