Let  and

So, the given equations becomes

…………………..(i)

……………………….(ii)

Multiplying equation (i)  and (ii)  we get,

………………………….. (iii)

……………………………… (iv)

Subtracting equation (iii) from (iv) we get,

⇒

⇒

Now putting in equation (iv) we get,

⇒

⇒

Hence, and,