Solution:
As per the question,
…(i)
(ii)
Now add eq.(i) and eq.(ii),
(iii)
Now subtract eq.(ii) from eq.(i),
We have,
(iv)
Now, multiply eq.(iii) and eq.(iv),
As a result,
Solution:
As per the question,
…(i)
(ii)
Now add eq.(i) and eq.(ii),
(iii)
Now subtract eq.(ii) from eq.(i),
We have,
(iv)
Now, multiply eq.(iii) and eq.(iv),
As a result,