(i)
Let’s simply the given expression,
Let us consider,
So, by using the formula
(ii)
So, we have
But if x = 0, then
Which is actually true
Therefore, x =
.
(ii)
(ii)
(i)
Let’s simply the given expression,
Let us consider,
So, by using the formula
(ii)
So, we have
But if x = 0, then
Which is actually true
Therefore, x =
.